A shelf in the Metro Department Store contains 90 colored ink cartridges for a popular ink-jet printer. Eight of the cartridges are defective.(a) If a customer selects 3 cartridges at random from the shelf, what is the probability that they are all defective? (Round your answer to five decimal places.)0.00009(b) If a customer selects 3 cartridges at random from the shelf, what is the probability that at least 1 is defective? (Round your answer to three decimal places.)0.160

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Answered: A shelf in the Metro Department Store…

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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Similar questions

Assume it was determined from a random sample of customers that the probability of buying cake is 40%; the probability of buying ice cream is 62%; and the probability of buying cake or ice cream is 86%. What is the probability of buying chocolate ice cream and frozen yogurt? (Round your answer to 2 decimals)
You are dealt a hand of 7 cards from a standard deck of 52 cards. Find the probability of being dealt four clubs and three cards with one card of each other remaining suit. The probability is (Round to six decimal places as needed.)
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
Suppose there are 10 coins in a jar: three are silver and seven are gold. What is the probability that when you randomly select 4 different coins, they are all gold? Round your answer to four decimal places.
A factory produces a particular electrical component. On average, the probability that a component will be faulty is 0.16, independently of each other. The company sells the electrical component in a box of 7. Calculate the probability of having at least 1 faulty components. (2 d.p.)
Suppose that 35% of people own dogs. If you pick two people at random, what is the probability that they both own a dog?Give your answer as a decimal (to at least 3 places) or fraction
Sheniqua buys a bag of cookies that contains 5 chocolate chip cookies, 5 peanut butter cookies, 6 sugar cookies and 4 oatmeal raisin cookies. What is the probability that Sheniqua randomly selects a sugar cookie from the bag, eats it, then randomly selects another sugar cookie? You may answer as a fraction or a decimal rounded to three places.
A factory produces a particular electrical component. On average, the probability that a component will be faulty is 0.16, independently of each other. The company sells the electrical component in a box of 7. Calculate the probability of having at least 1 faulty components. (2 d.p.)
A class consists of 17 freshmen and 78 sophomores. If a student is randomly selected, what is the probability that the student is a sophomore? Enter your answer in fraction form (a/b) or as a decimal rounded to the nearest hundredths place

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