Q4. A shipment of two boxes, each containing eight telephones, is received by a store. Box 1contains two defective phones and box 2 contains one defective phone. After the boxes areunpacked, and all phones are mixed. Then a phone is selected and that was found to bedefective. Find the probability that it came from box 2.

Answered: Image /qna-images/answer/e1ea8bbb-d3ff-4654-845c-3070d136160a.jpg

Answered: Q4. A shipment of two boxes, each…

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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Suppose you are going to form a committee of students and faculty. You have 7 total students and 18 total faculty to pick from. You want to have 7 total people on the committee.What is the probability that you select 2 students and 5 faculty, in that order? Enter your answer rounded to three decimals.
A toddler is playing with some magnetic letters on the refrigerator. He has the letters l, t, b, a, ande. If he arranges the letters in a line to make a word, what is the probability that he makes the word‘table‘?
A science class has 3 girls and 9 boys in seventh grade and 5 girls and 3 boys in eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the student she selects are both girls?
Suppose you are going to form a committee of students and faculty. You have 6 total students and 16 total faculty to pick from. You want to have 10 total people on the committee. What is the probability that you select 3 students and 7 faculty, in that order? Enter your answer rounded to three decimals. Show your work. Enter the work that you used to get your answer.
Katherine works at a grocery store and is assigned their daily duty by the shift manager in charge. When Kim is the shift manager, Katherine is assigned the cash register 85% of the time. When Sophia is the shift manager, Katherine is assigned the cash register 30% of the time. The probability that Kim is the shift manager is and the probability that Sophia is 3 the shift manager is. Determine the probability, to the nearest hundredth, that Katherine works the cash register.
Suppose you are going to form a committee of students and faculty. You have 7 total students and 12 total faculty to pick from. You want to have 8 total people on the committee. What is the probability that you select 2 students and 6 faculty? Enter your answer rounded to two decimals. Show your work. Enter the work that you used to get your answer.
Two boxes each contain long and short bolts. Box 1 contains 60 long and 40 short bolts, while box 2 contains 10 long and 20 short bolts. One box is selected at random and one bolt is then chosen from the selected box. a. Find the probability the chosen bolt is long. b. Given that the chosen bolt was long, find the probability that box 1 was selected.
A cooler contains 100 ice cream bars. There are 30 Vanilla bars, 20 Mint Chocolate Chip bars,10 Chocolate bars, and 40 Rocky Road bars. If one bar is selected at random from the cooler, determine the probability that the bar selected is Vanilla, Chocolate, or Rocky Road.
A chest of pirate treasure has 8 fake coins, 6 plastic jewels, 5 painted stink bombs, and 2 priceless artifacts. If a person randomly selects one item from the chest, what is the probability that they select a priceless artifact? Write your answer as a decimal and round to three decimal places.
Tom buys a bag of cookies that contains 9 chocolate chip cookies, 9 peanut butter cookies, 4 sugar cookies and 7 oatmeal raisin cookies. What is the probability that Tom randomly selects a chocolate chip cookie from the bag, eats it, then randomly selects another chocolate chip cookie? Express your answer as a reduced fraction.
A building contractor buys 65% of his cement from supplier A and 35% from supplier B. A total of 85% of the bags from A arrive undamaged. While 93% of the bags from B arrive undamaged. Find the probability that a damaged bag is from supplier B.
Suppose you are going to form a committee of students and faculty. You have 9 total students and 18 total faculty to pick from. You want to have 9 total people on the committee. What is the probability that you select 2 students and 7 faculty, in that order? Enter your answer rounded to three decimals. Show your work. Enter the work that you used to get your answer.

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