A large chain retailer purchases a certain kind of electronic device from a manufacturer. Themanufacturer indicates that the defective rate of the device is 3%. The inspector randomly picks20 items from a shipment. What is the probability that there will be at least one defective itemamong these 20?Determine the Discrete Probability Distribution type.O a. BinomialO b. GeometricO c. UniformO d. Negative BinomialO e. Hypergeometric

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Answered: A large chain retailer purchases a…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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In a hospital, about 3 patients came to the emergency room between 5:00 and 6:00 p.m. The probability that at least one patient came to the emergency room between 5:00 and 6:00 p.m. is ...... Select one: Oa. 0.8009 Ob. 0.9503 Oc. 0.1991 O d. 0.0497 Next pa Previous page
Nine plants are operated by a garment manufacturer. They feel there is a sixteen percent chance for a strike at any one plant and the risk of a strike of a strike at one plant is independent of the risk of a strike at another plant. Let X be the number of plants of the garment manufacturer that strike. Compute the probability that 3 of the plants will strike. Round your answer to four decimal places, if necessary.
Every business day, Michael's alarm goes off at 06:30. The probability he hits the snooze button is 20%. a. Give the discrete probability distribution for the event that Michael's alarm does or does not go off on a business day. What type of random variable is this? Explain. b. In 8 business days, what is the probability Michael hits the snooze button at least one time? c. In 80 business days, how many times would we expect Michael to hit the snooze button? What is the associated variance?
The police have estimated that there are twelve major accidents per day on a particular 10-mile stretch of a national highway. Suppose the incidence of accidents is evenly distributed on this 10-mile stretch of the highway. a. Find the probability that there will be fewer than eight major accidents in this 10-mile stretch of the highway. (Do not round intermediate calculations. Round your final answer to 4 decimal places.) Probability b. Find the probability that there will be more than two accidents in a 1-mile stretch of this highway. (Do not round intermediate calculations. Round your final answer to 4 decimal places.) Probability
Suppose that the probability that a child living in an urban area in the United States is obese is 20%. If a social worker sees 15 children living in urban areas, what is the probability that 5 are obese? Enter response as .xxxx
The probability that a randomly chosen sales prospect will make a purchase is 20%. What is the probability (to three decimal places) that the salesperson will make four or more sales if six sales calls are made on a given day?
A survey finds that customers are charged incorrectly for 7 out of every 30 items, on average. Suppose a customer purchases 11 items. Find the following probability. A customer is not charged incorrectly for any item.
Assume that 12 jurors are randomly selected from a population in which 60% of the people are Mexican-Americans. Refer to the probability distribution table below and find the indicated probabilities. Number of Mexican-Americans Probability 0 0 1 0.0003 2 0.0025 3 0.0125 4 0.042 5 0.1009 6 0.1766 7 0.227 8 0.2128 9 0.1419 10 0.0639 11 0.0174 12 0.0022 a) Find the probability of at most 4 Mexican-Americans among 12 jurors. Give answer as a decimal. b) Find the probability of more than 4 Mexican-Americans among 12 jurors. Give answer as a decimal.
A fair die is rolled ten times. What is the probability of getting an even number 4 times out of 10? (3 d.p.)
The Wilson family was one of the first to come to the U.S. They had 6 children. Assuming that the probability of a child being a girl is .5, find the probability that the Wilson family had: at least 2 girls? at most 3 girls? Submit Question
A laptop producer has been getting complaints on the batteries they install. Particularly, the customers complain about an overheating problem. A quality control specialist is investigating the issue and unknown to her, there are 10 overheating batteries in the batch of 30 that she is sampling from. If she randomly samples 6 batteries, what is the standard deviation of the number of overheating batteries she can encounter? O A. 1.155 O B. 1.333 O C. 1.050 O D. 1.103
Suppose you called your local pharmacy to refill a prescription and are put on hold. Assume that the amount of time you will spend on hold is somewhere between 0 and 13 minutes and it follows a uniform distribution. What is the probability you will be on hold for exactly 8 minutes?

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