A building contractor buys 90% of his cement from supplier A and 10% from supplier B. A total of 75% of the bags from A arrive undamaged, while 70% of the bags from B arrive undamaged. Find the probability that a damaged bag is from supplier A.

A building contractor buys 90% of his cement from supplier A and 10% from supplier B. A total of 75% of the bags from A arrive undamaged, while 70% of the bags from B arrive undamaged. Find the probability that a damaged bag is from supplier 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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Question

A building contractor buys

90%

of his cement from supplier A and

10%

from supplier B. A total of

75%

of the bags from A arrive undamaged, while

70%

of the bags from B arrive undamaged. Find the probability that

damaged

bag is from supplier

The probability is

nothing.

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