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Finite Mathematics for the Manager...

12th Edition
Soo T. Tan
Publisher: Cengage Learning
ISBN: 9781337405782

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BuyFindarrow_forward

Finite Mathematics for the Manager...

12th Edition
Soo T. Tan
Publisher: Cengage Learning
ISBN: 9781337405782
Chapter 8.CRE, Problem 22CRE
Textbook Problem
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HEIGHTS OF WOMEN The heights of 4000 women who participated in a recent survey were found to be normally distributed with the mean of 64.5 in . and a standard deviation of 2.5 in . What percentage of these women have heights of 67 in . or greater?

To determine

The percentage of the woman have height 67in. or greater.

Explanation of Solution

Given:

The total number of women participated in the survey is 4000.

Height of women is normally distributed with the mean of 64.5in. and a standard deviation of 2.5in.

Approach:

In normal distribution with mean μ and standard deviation σ, the probability of random variable X is given as,

P(X=x)=P(Z=xμσ)

Where, Z is a standard normal random variable.

Calculation:

The probability that the women will have a height of 67in. or greater is,

P(X67)=P(Z=67μσ)

Substitute 64

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Chapter 8 Solutions

Finite Mathematics for the Managerial, Life, and Social Sciences
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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. 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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. 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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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