Math

Finite Mathematics for the Managerial, Life, and Social SciencesTELEMARKETING Jorge sells magazine subscription over the phone. He estimates that the probability of his making his sale with each attempt is 0.12 . What is the probability of Jorge making a score more than 10 sales if he makes 80 calls?BuyFind*launch*

12th Edition

Soo T. Tan

Publisher: Cengage Learning

ISBN: 9781337405782

Chapter 8.6, Problem 18E

Textbook Problem

**TELEMARKETING **Jorge sells magazine subscription over the phone. He estimates that the probability of his making his sale with each attempt is

Finite Mathematics for the Managerial, Life, and Social Sciences

Ch. 8.1 - What is a random variable? Give an example.Ch. 8.1 - Give an example of a a finite discrete random...Ch. 8.1 - Suppose you are given the probability distribution...Ch. 8.1 - Three balls are selected at random without...Ch. 8.1 - 2.A coin is tossed four times. Let the random...Ch. 8.1 - A die is rolled repeatedly until a 6 falls...Ch. 8.1 - Cards are selected one at a time without...Ch. 8.1 - Let X denote the random variable that gives the...Ch. 8.1 - Two cards are drawn from a well-shuffled deck of...Ch. 8.1 - In Exercises 7-12, give the range of values that...

Ch. 8.1 - In Exercises 7-12, give the range of values that...Ch. 8.1 - In Exercises 7-12, give the range of values that...Ch. 8.1 - In Exercises 7-12, give the range of values that...Ch. 8.1 - In Exercises 7-12, give the range of values that...Ch. 8.1 - In Exercises 7-12, give the range of values that...Ch. 8.1 - In Exercises 13-16, determine whether the table...Ch. 8.1 - In Exercises 13-16, determine whether the table...Ch. 8.1 - In Exercises 13-16, determine whether the table...Ch. 8.1 - In Exercises 13-16, determine whether the table...Ch. 8.1 - In Exercises 17 and 18, find conditions on the...Ch. 8.1 - In Exercises 17-18, find conditions on the numbers...Ch. 8.1 - The probability distribution of the random...Ch. 8.1 - The probability distribution of the random...Ch. 8.1 - Suppose that the probability distribution of a...Ch. 8.1 - EXAMS An examination consisting of ten...Ch. 8.1 - Two dice are rolled. Let the random variable X...Ch. 8.1 - EMERGENCY FUND SAVINGS In a survey of 1000 people,...Ch. 8.1 - MONEY MARKET RATES The interest rates paid by 30...Ch. 8.1 - DISTRIBUTION OF FAMILIES BY SIZE The Public...Ch. 8.1 - WAITNG LINES The accompanying data were obtained...Ch. 8.1 - TELEVISION PILOTS After the private screening of a...Ch. 8.1 - SMARTPHONE OWNERSHIP BY AGE The following table...Ch. 8.1 - SMARTPHONE OWNERSHIP BY INCOME The following table...Ch. 8.1 - ACADEMY MEMBERS The following table gives the...Ch. 8.1 - FOOD EXPENDITURE AWAY FROM HOME According to a...Ch. 8.1 - FOOD EXPENDITURE AT HOME According to a report of...Ch. 8.1 - U.S. POPULATION BY AGE The following table gives...Ch. 8.1 - In Exercise 35 and 36, determine whether the...Ch. 8.1 - In Exercise 35 and 36, determine whether the...Ch. 8.1 - Graph the histogram associated with the data given...Ch. 8.1 - Graph the histogram associated with the data given...Ch. 8.1 - Graph the histogram associated with the data given...Ch. 8.1 - Graph the histogram associated with the data given...Ch. 8.1 - In Exercise 510, use the data given in the table...Ch. 8.1 - In Exercise 510, use the data given in the table...Ch. 8.1 - In Exercise 510, use the data given in the table...Ch. 8.1 - In Exercise 510, use the data given in the table...Ch. 8.1 - In Exercise 510, use the data given in the table...Ch. 8.1 - In Exercise 510, use the data given in the table...Ch. 8.2 - What is the expected value of a random variable?...Ch. 8.2 - What is a fair game? Is the game of roulette as...Ch. 8.2 - a. If the probability of an event E occurring is...Ch. 8.2 - Find the expected value of a random variable X...Ch. 8.2 - Find the expected value of a random variable X...Ch. 8.2 - CALCULATING GPA During the first year at a...Ch. 8.2 - FAMILY COMPOSITION In a four-child family, what is...Ch. 8.2 - EXPECTED SALES On the basis of past experience,...Ch. 8.2 - CAFETERIA MILK CONSUMPTION Records kept by the...Ch. 8.2 - EXPECTED EARNINGS The daily earnings X of an...Ch. 8.2 - EXPECTED NUMBER OF DEFECTIVE PRODUCTS If a sample...Ch. 8.2 - EXPECTED NUMBER OF AUTO ACCIDENTS The numbers of...Ch. 8.2 - EXPECTED DEMAND FOR MAGAZINES The owner of a...Ch. 8.2 - EXPECTED ATM RELIABILITY A bank has two automatic...Ch. 8.2 - EXPECTED SALES The management of the Cambridge...Ch. 8.2 - PRIME INTEREST-RATE PREDICTION A panel of 50...Ch. 8.2 - FORECASTED UNEMPLOYMENT RATES A panel of 64...Ch. 8.2 - EXPECTED VALUE OF A LOTTERY TICKET In a lottery,...Ch. 8.2 - LIFE INSURANCE PREMIUMS A man wishes to purchase a...Ch. 8.2 - LIFE INSURANCE PREMIUMS A woman purchased a...Ch. 8.2 - LIFE INSURANCE PREMIUMS As a fringe benefit,...Ch. 8.2 - EXPECTED PROFIT OF A BUILDER Max built a spec...Ch. 8.2 - INVESTMENT ANALYSIS The proprietor of Midland...Ch. 8.2 - CABLE TELEVISION RIGHTS FOR A CITY The management...Ch. 8.2 - EXPECTED AUTO SALES OF A DEALERSHIP Roger Hunt...Ch. 8.2 - EXPECTED HOME SALES OF A REALTOR Sally Leonard, a...Ch. 8.2 - INVESTMENT ANALYSIS Bob, the proprietor of Midway...Ch. 8.2 - EXPECTED GROWTH FOR A BUSINESS Maria sees the...Ch. 8.2 - WEATHER PREDICTIONS Suppose the probability that...Ch. 8.2 - EXPECTED VALUE OF A ROULETTE BET In American...Ch. 8.2 - EXPECTED VALUE OF A ROULETTE BET If a player...Ch. 8.2 - EXPECTED VALUE OF A ROULETTE BET In European...Ch. 8.2 - MALE COMMUTING TIMES The following table gives the...Ch. 8.2 - FEMALE COMMUTING TIMES The following table gives...Ch. 8.2 - POPULATION BY AGE IN THE UNITED STATES The...Ch. 8.2 - POPULATION BY AGE IN CALIFORNIA The resident...Ch. 8.2 - The probability of an event E occurring is .8....Ch. 8.2 - The probability of an event E not occurring is .6....Ch. 8.2 - The odds in favor of an event E occurring are 9 to...Ch. 8.2 - The odds against an event E occurring are 2 to 3....Ch. 8.2 - ODDS OF MAKING A SALE Carmen, a computer sales...Ch. 8.2 - ODDS OF WINNING A TENNIS MATCH Steffi believes...Ch. 8.2 - ODDS OF WINNING A BOXING MATCH If a sports...Ch. 8.2 - ODDS OF CLOSING A BUSINESS DEAL Bob, the...Ch. 8.2 - EXPECTED LOSS FOR ROULETTE BET a. Show that, for...Ch. 8.2 - If X and Y are random variables and c is any...Ch. 8.2 - Wage Rates The frequency distribution of the...Ch. 8.2 - EXAM SCORES In an examination given to a class of...Ch. 8.2 - SAN FRANCISCO WEATHER The normal daily minimum...Ch. 8.2 - WAITING LINES Refer to Example 6, Section 8.1....Ch. 8.2 - BOSTON WEATHER The relative humidity, in percent,...Ch. 8.2 - WEIGHT OF POTATO CHIPS The weights, in ounces, of...Ch. 8.2 - Buzz Rankings The Buzz Scores the percent of the...Ch. 8.2 - BATTING AVERAGE The batting averages of the top...Ch. 8.2 - MINIMUM WAGE The minimum wage in the 13 states...Ch. 8.2 - In Exercises 53 and 54, determine whether the...Ch. 8.2 - In Exercises 53 and 54, determine whether the...Ch. 8.3 - a. What is the variance of a random variable X? b....Ch. 8.3 - What does the Chebychevs inequality measure?Ch. 8.3 - In Exercises 1-6, the probability distribution of...Ch. 8.3 - In Exercises 1-6, the probability distribution of...Ch. 8.3 - In Exercises 1-6, the probability distribution of...Ch. 8.3 - In Exercises 1-6, the probability distribution of...Ch. 8.3 - In Exercises 1-6, the probability distribution of...Ch. 8.3 - In Exercises 1-6, the probability distribution of...Ch. 8.3 - The following histograms represent the probability...Ch. 8.3 - The following histograms represent the probability...Ch. 8.3 - In Exercises 9 and 10, find the variance of the...Ch. 8.3 - In Exercises 9 and 10, find the variance of the...Ch. 8.3 - An experiment consists of rolling an eight-sided...Ch. 8.3 - Happiness Score The happiness score, by...Ch. 8.3 - Birthrates The birthrates in the United States for...Ch. 8.3 - INVESTMENT ANALYSIS Paul Hunt is considering two...Ch. 8.3 - INVESTMENT ANALYSIS Rosa Walters is considering...Ch. 8.3 - The distribution of the number of chocolate chips...Ch. 8.3 - Equation 5 can also be expressed in the form...Ch. 8.3 - Find the variance of the distribution of Exercise...Ch. 8.3 - STUCK IN TRAFFIC The following table gives the...Ch. 8.3 - COST OF TAKING TIME OFF A survey was conducted of...Ch. 8.3 - CONVICTION RATES The following table gives the...Ch. 8.3 - NEW YORK STATE COURTS' TOTAL CASELOAD The...Ch. 8.3 - HOURS WORKED IN SOME COUNTRIES The number of...Ch. 8.3 - IDENTITY FRAUD The identity fraud rates in the...Ch. 8.3 - HEALTH ISSUES IN MASSACHUSETTS CITIES A random...Ch. 8.3 - DIABETES IN MASSACHUSETTS CITIES A random survey...Ch. 8.3 - HYBRID VEHICLE MILEAGE The following table gives...Ch. 8.3 - HOUSING PRICES The market research department of...Ch. 8.3 - GOVERNMENT DEBT The following table gives the...Ch. 8.3 - On-Time Arrivals The following table gives the...Ch. 8.3 - Flight Cancellations The following table gives the...Ch. 8.3 - ACCESS TO CAPITAL One of the key to determinants...Ch. 8.3 - ACCESS TO CAPITAL. Refer to Exercise 32. Milken...Ch. 8.3 - LIGHTNING INJURIES The number of injuries due to...Ch. 8.3 - Federal Libraries The federal government planned...Ch. 8.3 - Election Turnout The percentage of the voting-age...Ch. 8.3 - Existing-Home Sales a. The monthly supply in...Ch. 8.3 - Exam Scores The following table gives the scores...Ch. 8.3 - Marital Status of Men The number of married men in...Ch. 8.3 - Traffic Survey In a survey of the distances...Ch. 8.3 - A Probability distribution has mean of 42 and a...Ch. 8.3 - A Probability distribution has mean of 20 and a...Ch. 8.3 - A Probability distribution has mean of 50 and a...Ch. 8.3 - Suppose X is a random variable with and standard...Ch. 8.3 - PRODUCT RELIABILITY The deluxe ionic hair dryer...Ch. 8.3 - PRODUCT RELIABILITY A Christmas tree light has an...Ch. 8.3 - STARTING SALARIES The mean annual starting salary...Ch. 8.3 - QUALITY CONTROL Sugar packaged by a certain...Ch. 8.3 - In Exercises 49 and 50, determine whether the...Ch. 8.3 - In Exercises 49 and 50, determine whether the...Ch. 8.3 - a. Graph the histogram associated with the random...Ch. 8.3 - a. Graph the histogram associated with the random...Ch. 8.3 - 3. DRIVING AGE REQUIREMENTS The minimum age...Ch. 8.3 - 4.a. Graph the histogram associated with data...Ch. 8.3 - QUALITY CONTROL A sugar uses a machine to pack...Ch. 8.3 - MATH EXAM SCORES The scores of 25 students in a...Ch. 8.3 - HEIGHT OF WOMEN The following data, obtained from...Ch. 8.3 - AGE DISTRIBUTION IN A TOWN The following table...Ch. 8.4 - Suppose that you are given a Bernoulli experiment....Ch. 8.4 - Give the formula for the mean, variance, and...Ch. 8.4 - In Exercises 16, determine whether the experiment...Ch. 8.4 - In Exercises 16, determine whether the experiment...Ch. 8.4 - In Exercises 16, determine whether the experiment...Ch. 8.4 - In Exercises 16, determine whether the experiment...Ch. 8.4 - In Exercises 16, determine whether the experiment...Ch. 8.4 - In Exercises 16, determine whether the experiment...Ch. 8.4 - In Exercises 710, find C(n,x)pxqnx for the given...Ch. 8.4 - In Exercises 710, find C(n,x)pxqnx for the given...Ch. 8.4 - In Exercises 710, find C(n,x)pxqnx for the given...Ch. 8.4 - In Exercises 710, find C(n,x)pxqnx for the given...Ch. 8.4 - In Exercises 1116, use the formula C(n,x)pxqnx to...Ch. 8.4 - In Exercises 1116, use the formula C(n,x)pxqnx to...Ch. 8.4 - In Exercises 1116, use the formula C(n,x)pxqnx to...Ch. 8.4 - In Exercises 1116, use the formula C(n,x)pxqnx to...Ch. 8.4 - In Exercises 1116, use the formula C(n,x)pxqnx to...Ch. 8.4 - In Exercises 1116, use the formula C(n,x)pxqnx to...Ch. 8.4 - A fair die is rolled four times. Calculate the...Ch. 8.4 - Let X be the number of successes in five...Ch. 8.4 - A binomial experiment consists of five independent...Ch. 8.4 - FAMILY COMPOSITION Let the random variable X...Ch. 8.4 - PRODUCT RELIABILTY The probability that a fuse...Ch. 8.4 - SPORTS If the probability that a certain tennis...Ch. 8.4 - SPORTS If the probability that a certain tennis...Ch. 8.4 - VOTERS In a certain congressional district. it is...Ch. 8.4 - ELECTIONS Three Democratic candidates in three...Ch. 8.4 - AVAILABILITY OF CUSTOMER SERVTCE Mayco, a...Ch. 8.4 - RESTAURANT HEALTH CODE VIOLATIONS Suppose 30 of...Ch. 8.4 - VIOLATIONS OF THE BUILDING CODE Suppose that one...Ch. 8.4 - EXAMS A psychology quiz consists of ten...Ch. 8.4 - SALES PREDICTIONS From experience, the manager of...Ch. 8.4 - TEEN SPENDING BEHAVIOR According to a study on...Ch. 8.4 - MAKING FRIENDS In a survey of 2541 adults aged 18...Ch. 8.4 - EXAMS A biology quiz consists of eight...Ch. 8.4 - BLOOD TYPES It is estimated that one third of the...Ch. 8.4 - SMARTPNONE DEPENDENCY In a study conducted by Bank...Ch. 8.4 - CONSUMER PREFERENCES An advertisement for Brand A...Ch. 8.4 - QUALITY CONTROL The probability that a DVD player...Ch. 8.4 - LUNCH EXPENDITURE A survey of 1020 workers in...Ch. 8.4 - BLOOD PRESSURE A study conducted in 2012...Ch. 8.4 - ACADEMY MEMBERSHIP Of the 5765 members of the...Ch. 8.4 - CREDIT SCORES In a survey of 1010 married adults,...Ch. 8.4 - WORKING WITH A SPOUSE In a survey of 1147 small...Ch. 8.4 - GETTING AHEAD AT WORK In a survey of 26612...Ch. 8.4 - JOB PREPARDENESSIn a survey of 14,167 recent...Ch. 8.4 - ROBOT RELIABILITY An automobile manufacturing...Ch. 8.4 - PROBABILITY OF ENGINE FAILUREThe probability that...Ch. 8.4 - If X is a binomial random variable associated with...Ch. 8.4 - SUPERMARKET LINES A study of the checkout lines at...Ch. 8.4 - QUALITY CONTROL The McCormack Company manufactures...Ch. 8.4 - QUALITY CONTROL The panel for 32-inch wide screen...Ch. 8.4 - QAULITY CONTROL The manager of Toy world has...Ch. 8.4 - 51.QUALITY CONTROL The manager of Toy World has...Ch. 8.4 - 51.QUALITY CONTROL The manager of Toy World has...Ch. 8.4 - MAIL ORDER SALES Ruth, the owner of mail-order...Ch. 8.4 - FLIPPING A COIN How many times must a person toss...Ch. 8.4 - FLIPPING A COIN An unbiased coin is tossed 1...Ch. 8.4 - DRUG TESTING A New drug has been found to be...Ch. 8.4 - PROBABILTY OF GRADUATING At a certain university...Ch. 8.4 - In Exercises 59-62, determine whether the...Ch. 8.4 - In Exercise 59-62, determine whether the statement...Ch. 8.4 - In Exercises 59-62, determine whether the...Ch. 8.4 - In Exercises 59-62, determine whether the...Ch. 8.5 - Consider the following normal curve with mean and...Ch. 8.5 - a. What is the difference between a normal curve...Ch. 8.5 - In Exercise 16, find the value of the probability...Ch. 8.5 - In Exercise 16, find the value of the probability...Ch. 8.5 - In Exercise 16, find the value of the probability...Ch. 8.5 - In Exercise 16, find the value of the probability...Ch. 8.5 - In Exercise 16, find the value of the probability...Ch. 8.5 - In Exercise 16, find the value of the probability...Ch. 8.5 - In Exercise 714, a make a sketch of the area under...Ch. 8.5 - In Exercise 714, a make a sketch of the area under...Ch. 8.5 - In Exercise 714, a make a sketch of the area under...Ch. 8.5 - In Exercise 714, a make a sketch of the area under...Ch. 8.5 - In Exercise 714, a make a sketch of the area under...Ch. 8.5 - In Exercise 714, a make a sketch of the area under...Ch. 8.5 - In Exercise 714, a make a sketch of the area under...Ch. 8.5 - In Exercise 714, a make a sketch of the area under...Ch. 8.5 - Let Z be the standard normal variable. Find the...Ch. 8.5 - Let Z be the standard normal variable. Find the...Ch. 8.5 - Let Z be the standard normal variable. Find the...Ch. 8.5 - Suppose X is a normal random variable with =380...Ch. 8.5 - Suppose X is a normal random variable with =50 and...Ch. 8.5 - Suppose X is a normal random variable with =500...Ch. 8.6 - What does Theorem 1, page 532, allow us to do?Ch. 8.6 - Suppose a binomial distribution is associated with...Ch. 8.6 - Medical Records The medical record of infant...Ch. 8.6 - FACTORY WORKER WAGESAccording to data released by...Ch. 8.6 - PRODUCT RELIABILTY TKK Products manufactured 50+,...Ch. 8.6 - EDUCATION On average, a student takes dictation at...Ch. 8.6 - IQsThe IQs of students at Wilson Elementary School...Ch. 8.6 - PRODUCT RELIABILITY The trend lives of the Super...Ch. 8.6 - FEMALE FACTORY WORKERS WAGES According to data...Ch. 8.6 - CIVIL SERVICE EXAMSTo be eligible for further...Ch. 8.6 - WARRANTIES The general manager of the service...Ch. 8.6 - GRADE DISTRIBUTION The scores on an economics...Ch. 8.6 - GRADE DISTRIBUTION The score on a sociology...Ch. 8.6 - HIGHWAY SPEEDS The speeds in miles per hour of...Ch. 8.6 - In Exercise 13-24, use the appropriate normal...Ch. 8.6 - A fair is coin tossed 20 times. What is the...Ch. 8.6 - CHANCE OF HITTING THE TARGET A marks man chance of...Ch. 8.6 - CHANCE OF MAKING A FREE THROW A basketball player...Ch. 8.6 - CLASSIFYING SECONDS The manager of C of C seconds...Ch. 8.6 - TELEMARKETING Jorge sells magazine subscription...Ch. 8.6 - INDUSTRIAL ACCIDENTS Colorado Mining and Minerals...Ch. 8.6 - QUALITY CONTROL PAR Bearings is the principal...Ch. 8.6 - DRUG TESTING An experiment was conducted to test...Ch. 8.6 - LOAN DELINQUENCIES The manager of Madison Finance...Ch. 8.6 - CRUISE SHIP BOOKINGS Because of late...Ch. 8.6 - THEATER OVERBOOKINGS Preview Showcase, a research...Ch. 8.CRQ - Fill in the blanks. A rule that assigns a number...Ch. 8.CRQ - Fill in the blanks. If a random variable assumes...Ch. 8.CRQ - Fill in the blanks. The expected value of a random...Ch. 8.CRQ - Fill in the blanks. a. If the probability of an...Ch. 8.CRQ - Fill in the blanks. Suppose a random variable X...Ch. 8.CRQ - Fill in the blanks. In a binomial experiment, the...Ch. 8.CRQ - Fill in the blanks. A probability distribution...Ch. 8.CRQ - Fill in the blanks. A binomial distribution may be...Ch. 8.CRE - Three balls are selected at random without...Ch. 8.CRE - LIFE INSURANCE POLICIES A man purchased a 25,000,...Ch. 8.CRE - The probability distribution of a random variable...Ch. 8.CRE - A binomial experiment consists of four trials in...Ch. 8.CRE - In Exercises 5-8, let Z be the standard normal...Ch. 8.CRE - In Exercises 5-8, let Z be the standard normal...Ch. 8.CRE - In Exercises 5-8, let Z be the standard normal...Ch. 8.CRE - In Exercises 5-8, let Z be the standard normal...Ch. 8.CRE - In Exercises 9-12, let Z be the standard normal...Ch. 8.CRE - In Exercises 9-12, let Z be the standard normal...Ch. 8.CRE - In Exercises 9-12, let Z be the standard normal...Ch. 8.CRE - In Exercises 9-12, let Z be the standard normal...Ch. 8.CRE - In Exercises 13-16, let X be a normal random...Ch. 8.CRE - In Exercises 13-16, let X be a normal random...Ch. 8.CRE - In Exercises 13-16, let X be a normal random...Ch. 8.CRE - In Exercises 13-16, let X be a normal random...Ch. 8.CRE - DRIVING AGE REQUIREMENTS The minimum age...Ch. 8.CRE - ANNUAL FOOD EXPENDITURE According to the report of...Ch. 8.CRE - TRAFFIC A traffic survey of the speed of the...Ch. 8.CRE - EXPECTED PROFIT A buyer for Discount Fashions, an...Ch. 8.CRE - BOWLING A STRIKE If the probability that a bowler...Ch. 8.CRE - HEIGHTS OF WOMEN The heights of 4000 women who...Ch. 8.CRE - HEIGHTS OF WOMEN Refer to Exercise 22, Use...Ch. 8.CRE - NETFLIX REVENUE FROM STREAMING SUBSCRIBERS The...Ch. 8.CRE - MARITAL STATUS OF WOMEN The number of single women...Ch. 8.CRE - QUALITY CONTROL The proprietor of a hardware store...Ch. 8.CRE - DRUG EFFECTIVENESS An experimental drug has been...Ch. 8.CRE - QUALITY CONTROL Dayton Iron Works manufactures...Ch. 8.CRE - EXPECTED SALES The division manager of a company...Ch. 8.CRE - ON-TIME ARRIVALS Diane, who commutes regularly...Ch. 8.CRE - COIN TOSSES A coin is biased so that the...Ch. 8.CRE - QUALITY CONTROL A division of Solaron Corporation...Ch. 8.BMO - The value taken on by a random variable X and the...Ch. 8.BMO - The probability distribution for a random variable...Ch. 8.BMO - Find the mean, variance and standard deviation of...Ch. 8.BMO - A binomial experiment consists of four independent...Ch. 8.BMO - Let X be a normal random variable with =60 and =5....Ch. 8.BMO - A fair coin is tossed 30 times. Using the...

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