2.63 Suppose that N people at a restaurant check their coats. The attendant loses the tickets so at the end of the evening he hands each of the N people a coat at random from among those that were checked. What is the probability that: a exactly r get the proper coat? none get the proper coat?

Q: Find the probability of at least 2 female visitors in 17 visitors to Mt. Rainier National Park.…

A: The provided information are: Probability of success (p) = 0.5 Number of trials (n) = 17

Q: Assume that 2 cars in 11 is defective and will not start. If at different times 4 individuals…

A: Given that, 2 cars in 11 is defective. Thus, the probability that a randomly chosen car is defective…

Q: On average per day, 25%| of cars passing a certain highway are single passenger. Assume 192 cars…

A:

Q: B. A college graduate believes he has 60% chance of getting a particular job. Historically, 75% of…

A:

Q: Q1: Suppose that are have a fuse box, containing 20 fuses of which 5 are defective. If 2 fuses are…

A: Given that there are total 20 fuses, among them 5 are defective.  So (20-5)=15 are good.   We can…

Q: Find the probability of at least 2 female visitors in 19 visitors to Mt. Rainier National Park.…

A: Given that male and female visitors are equally likely. That is, P(male)=P(female)=1/2=0.5 Let us…

Q: Find the probability of at least 2 female visitors in 16 visitors to Mt. Rainier National Park.…

A:

Q: Assume that showing a car is a Bernoulli trial, and each time she shows a car, there is a…

A: Let us assume X=the number of sold cars n=sample sizep=probability of success=0.15X follows a…

Q: Q12. In a certain college with 500 students, assume 315 like coffee, 217 like tea and 154 like both…

A: Let X represents Coffee, Y represents Tea P(X) = 315 500 P(Y) = 217500PX∩Y=154500

Q: An unfair coin with Pr[H]=0.6 is flipped. If the flip results in a head, a marble is selected at…

A: The event H is defined as flip results a head, R is defined as red marble, and T is defined as tail.…

Q: The probability that a randomly selected 33​-year-old male chipmunkchipmunk will live to be 44 years…

A: Given, The probability that a randomly selected 3-year-old male chipmunk will live to be 4 years old…

Q: 14. f 10 men, among whom are A and B, stand in a row, what is the probability that there will be…

A:

Q: A retailer purchases 100 of a new brand DVD players of which 2 are defective. The purchase agreement…

A: Given: N=100 x=2 n=5

Q: 2.122 In the field of quality control, the science of statistics is often used to determine if a…

A: Binomial distribution is given by

Q: Suppose that on a certain messaging service, 4.63% of all messages fail to send. Thus, in a random…

A:

Q: Suppose that warranty records for a car maker show that the probability that a new car needs a…

A:

Q: that (a) the balls are replaced before the second trial, and (b) the balls are not replaced before…

A: here given bag contains 5 white balls and 8 red balls total 13 balls here drawn of 3 balls happens 2…

Q: In a certain state, about 70% of drivers who are arrested for driving while intoxicated (DWI) are…

A: The drivers who are arrested  for intoxicated are convicted is p=0.70. The number of independently…

Q: A recent study indicated that​ 67% of U.S. adults consider air conditioning a necessity. If a random…

A: Let X denote the no.of U.S. adults consider air conditioning a necessity and it follows binomial…

Q: In a certain city, the Land Transportation Office randomly selected 500 drivers to check whether…

A: Given,n=500p=34=0.75q=1-pq=1-0.75=0.25np=500×0.75=375≥5nq=500×0.25=125≥5Therefore we can use normal…

Q: 7. Suppose 12% of graduates of the Architectural Engineering Technology program take a job outside…

A: This is a Simple Binomial Probability distribution with n=2 and p=0.12

Q: 18. 5% of all men wear a XXL sized t-shirt. If 20 men are randomly selected, find the probability…

A:

Q: Suppose that 10% of all steel shafts produced by a certain process arenonconforming but can be…

A: Binomial Distribution: If we have n trials each having two outcomes, say Success and Failure, trials…

Q: A weighted coin with Pr[H]=45 Pr[H]=45is flipped two times. What is the probability at least one of…

A: Probability of getting head when a weighted coin is flipped =4/5Probability of getting tail when a…

Q: 1. Each sample of water has a 10% chance of containing a particular organic pollutant. Assume that…

A: Given: n=18 and p=0.1 Use binomial probability asPX=x=Cxnpx1-pn-x                      ;x≤n

Q: Given that 40% of employed persons are in favour of the implementation of the flexi-week, in a…

A:

Q: A manufacturer of metal pistons finds that on the average, 10% of his pistons are rejected because…

A:

Q: Suppose that 10% of all steel shafts produced by a certain                        process are…

A: Given: Probability of success (p) = 10% = 0.10 Number of trials (n) = 200 Here, n*p= 200(0.10) = 20…

Q: The are five boxes each with 10 balls in it. The first box has 1 defective ball, the second one has…

A: Let events B1,B2,B3,B4,B5 represent the boxes and D,D' represent the ball is defective or non…

Q: Assume that 2 cars in 12 is defective and will not start. If at different times 4 individuals each…

A:

Q: 8) 30% of pupils in a school travel to school by bus. From a sample of ten pupils chosen at random,…

A: We have to find the probability for binomial distribution.

Q: Suppose that 21% of men in the United States consider fishing their favorite leisure-time activity.…

A:

Q: Esp Of the people who fished at Clearwater Park today, 56 had a fishing license, and 14 did not. Of…

A:

Q: Q1. In a company, it is reported that 62% of employees are concerned about their health con- dition…

A:

Q: Suppose there is a 21.9% probability that a randomly selected person aged 25 years or older is a…

A:

Q: A business enterprise obtains, on average, 12 calls per hour. For any given hour, find the…

A: Given : A business enterprise on average gets , λ = 12 calls/hr Let X represents the number of calls…

Q: Assume 5% of the jelly beans made at a factory are misshapen and must be packaged and sold as…

A: It is given that 5% of the jelly beans made at a factory are misshapen and must be packaged and sold…

Q: 5. The mayor of a small municipality estimates that 45% of the residents favour the constructionof a…

A: We have  to find mean  nq and sigma.....

Q: wned a sedan, 33% owned a can, and 7% owned

A: To compute the probabilities we have to divide the given percentages by 100.

Q: Suppose that the proportions of blood phenotypes in a particular population are as follows: AB 04 42…

A:

Q: Assume 35% of dogs are adopted from a shelter. In a random sample of 500 dogs, what is the…

A: np=500×0.35=175 >5 nq=500×0.65=325 >5 We can approximate the normal probability

Q: What is the smallest value of k in Chebyshev’s theo-rem for which the probability that a random…

A: Chebyshev's inequality: Chebyshev's rule is appropriate for any distribution. That is, Chebyshev's…

Q: : Suppose that 1 in every 6 Jordanian has private medical insurance. If 15 Jordanian were selected,…

A: Note: Hi there! Thank you for posting the question. As your question has more than 3 parts, we have…

Q: In a certain type of automobile engine, the cylinder head is fastened to the block by 10 bolts, each…

A:

Q: Each sample of water has a 10% chance of containing a particular organic pollutant. Assume that the…

A: As per requirement (d) part Given: p=0.1n=18

Q: Suppose 1 in 5 JWU students own their own car. If four students are randomly selected, what is the…

A: Given

Q: Provide an appropriate response. Smith is a weld inspector at a shipyard. He knows from keeping…

A:

Q: During a fitness center outbreak, 1/10 of the customers of the center are infected by COVID-19.…

A: The probability that the customers of the center are infected by COVID-19 is 110, the the not…

Q: 8. 5% of all men wear a XXL sized t-shirt. If 20 men are randomly selected, find the probability…

A: Since you have asked multiple questions in a single request we would be answering only the first…

Q: The daily number of orders filled by the parts department of a repair shop is a random variable with…

A: Let the random variable X have mean μ and standard deviation σ. The Chebyshev’s inequality states…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.