Computer Help Hot Line receives, on average, 5 calls per hour asking for assistance.For any randomly selected hour, find the probability that the company will receive At least 6 calls 4 or more calls At most 5 calls

Q: A company makes Citi bikes. 95% (i.e., 0.95) pass final inspection. Suppose that 5 bikes are…

A: Given ,          n=5          p=0.95X~Binomial n=5 , p=0.95PX=x=ncxpx1-pn-x ;…

Q: on a tropical day at the beach in southern California, a beachgoer will encounter 12 different…

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Q: The offices of​ president, vice​ president, secretary, and treasurer for an environmental club will…

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Q: telephone calls between 8:00 am and 11:00 am. What is the probability that John receives at least…

A: Given:-  number of calls receive by a answering machine between 8:00 am and 11:00 am=7 To find the…

Q: Out of 10 cars in a car sales service, the air conditioner is defective. For a company that buys 4…

A: Given that Total number of cars = 10  Number of Defective car = 1

Q: Zaire buys a bag of cookies that contains 7 chocolate chip cookies, 5 peanut butter cookies, 9 sugar…

A: It is given that the Zaire buys a bag of cookies that contains 7 chocolate chip cookies, 5 peanut…

Q: Alejandra buys a bag of cookies that contains 6 chocolate chip cookies, 4 peanut butter cookies, 4…

A: Solution: From the given information, a bag of cookies that contains 6 chocolate chip cookies, 4…

Q: A batch of parts contains 80 parts from Batangas supplier of engine and 120 parts from a supplier of…

A: We know that, Probability, p= X/N Here X= 80 and N= 120 p= 80/120  p= 0.67 and q= 1-p q= 1-0.67 q=…

Q: restaurant, which has ten entrees on the menu. If the friends are equally likely to pick any of the…

A: Given: Six friends go to their favorite restaurant, which has ten entrees on the menu To find:…

Q: - Out of 30 car races, 3 accidents have occurred. In the following season of 100 races are…

A: p=3/30=0.10,n=100,  X=no. of accident X~B(n,p)   We want to find the probability P(X=0.3)= ? P(X=5)=…

Q: The number of customers arriving at the outtakes food stand during lunch hour is poison distributed…

A: Solution: Let X be the number of customers will arrive in one minute during lunch hour. From the…

Q: According to US Census Bureau data 8% of African American adults earn more than $100,000 per year.…

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Q: What is the probability of having 2 boys given at least 1 is a boy? (Bayes’ theorem)

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Q: Two-fifths of the students in a dorm are Business majors and three-fifths are non-Business majors.…

A: P(B.M) = Two-fifths of the students in a dorm are Business majors = 25=0.4 P(NBM)= three-fifths are…

Q: A company has found that 31% of all customers contacted will buy its If 6 customers are contacted,…

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Q: The employees of a firm that manufactures insulation are being tested for indications of asbestos in…

A: NOTE-AS PER POLICY I HAVECALCULATED FIRST MAIN QUESTION ONLY       Here Given proportion of…

Q: 4 out of 100 televisions in stock are defective. If you select two television la at random, find the…

A: It is given that the 4 out of 100 televisions are defective.

Q: In a high school graduating class of 100 students, 55 studied mathematics, 63 studied computer…

A: The total number of students is 100. The number of students studied mathematics is 55. The number of…

Q: At a chocolate company, on average 5 chocolate are poisonous which makes children sick. a. What is…

A: Given: Average 5 chocolate are poisonous which makes children sick means λ = 5. The pmf of poisson…

Q: 28 of the 100 digital video recorder in an inventory are known to be defective. What is the…

A: Given that  Total dvr = 100 Defective dvr = 20  Not Defective dvr = 80

Q: On an average, 7.4 calls are received by a telephone operator every 10 minutes. a. What is the…

A: Poisson Distribution: A discrete random variable X is said to follow Poisson distribution with…

Q: Mayco, a mail-order department store, has six telephone lines available for customers who wish to…

A: Solution: Let X be the number of six lines will be in use when a customer calls to a place an order…

Q: An experienced teacher writes an exam so that, on average, about 5% of students will earn an A…

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Q: a) What is the probability that they received a citation and attended traffic school?  b) What is…

A: here define event receive citation  =C attend traffic school = T p(T) = 0.22 p(C) = 0.20 p(T| C) =…

Q: According to the studies carried out by researchers in an earthquake zone, the average number of…

A: We have given that Average=lambda=7.5 in a year. 1 year =12 months  Now  the average value for one…

Q: A consumer organization estimates that over a​ 1-year period 19​% of cars will need to be repaired​…

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Q: In a city 30% of the houses and 60% of the condominiums use natural gas for heating. 65% of the…

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Q: n urn contains 3 red balls, 4 green balls and 1 yellow balls. An experiment consists of picking 3…

A: Given: Number of red balls = 3 Number of green balls = 4 Number of yellow balls = 1 Total number of…

Q: Shoppers can pay for their purchases with cash, a credit card, or a debit card. Suppose that the…

A: Given problem Given that   Shoppers can pay for their purchases with cash, a credit card , or a…

Q: In a New York Times article a reporter stated that seventy three percent of its readers favored the…

A: Given that, Seventy three percent of its readers favored the cartoon section.  Sample size, n = 14

Q: large cable company reports that 70% of its customers subscribe to cable TV, 43% subscribe to…

A: Let : P(A) = 70% of cable company customers subscribe to cable TV P(B) = 43% subscribe to Internet…

Q: computer manufacturing company uses an acceptance scheme on items from a production line before they…

A: To find: a) The probability that a box containing 4 defectives will be shipped b) The probability…

Q: What is the probability that a randomly selected student is both female and an undergraduate? What…

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Q: b. Out of 50 students, 15students got grade B in "Probability and statistics". If two students are…

A: From the provided information, Total students = 50 Students who got grade B = 15 Students who got…

Q: If a family decided to continue having children until they have a boy, what is the probability that…

A: Given information: PBoy=0.50PGirl=0.50

Q: After high school graduation you decide to become a chicken farmer. You experiment with several…

A: Given: Number of eggs (n) = 12 Probability of a broken egg (p)= 0.40 Let X be the binomial random…

Q: In a survey of 400 households, 360 said they own a VCR, 170 said they own a DVD player and 19 said…

A: From the given information, 360 said they own a VCR 170 said they own a DVD player and 19 said they…

Q: Research has shown that 15% of students at a certain business college do smoke Marijuana Cannabis.…

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Q: A shipment of 10 microwave ovens contains five defective units. A vending company purchases four…

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Q: Kelsey reaches into a bag of marbles that contains 17 green marbles, 14 blue marbles, 8 yellow…

A: Given : Total marbles = 17 + 14 + 8 + 14 = 53 17 Green Marbles 14 Blue marbles 8 Yellow marbles 14…

Q: A consumer organization estimates that over a 1-year period 15% of cars will need to be repaired…

A: Let r0 denotes no repair required. Let r1 denotes repairing is needed for once. Let r2 denotes…

Q: At a retail store 15 customer paid with cash, 20 paid with credit card, and 17 paid with debit card.…

A: We have given that  At a retail store 15 customer paid with cash, 20 paid with credit card, and 17…

Q: In economics, of all new products put on the market, 60% failed and are taken off the market within…

A: All new products put on the market , 60% failed within 2 years. So, probability that a new product…

Q: A recent survey indicates that 7% of all motor bikes manufactured at Baloyi factory have defective…

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Q: A shipment of 7 microwave ovens contains 2 defective units. A restaurant buys four of these units.…

A: Given information- Total no. of microwave N = 7 Number of defective units k = 2 So, Number of…

Q: Two players are going to play a match of minature golf. Each of them must choose a golf ball from a…

A: From the provided information, Total balls that a bucket contains = 11 + 24 + 18 = 53 A) If player…

Q: Electronic baseball games manufactured by Tempco Electronics are shipped in lots of 24. Before…

A: Given:Total number of Electronic baseball games = 24Selected random sample = 8We have to find…

Q: A presidential candidate plans to begin her campaign by visiting the capitals in 3 of 45 states.…

A: Solution: From the given information, a presidential candidate plans to begin her campaign by…

Q: A car manufacturing plant produced 8 cars in a particular day. Later on, they found out that 2 of…

A: