Inspector a visually inspected 1000 ceramic bowls for, Ask an Expert

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Inspector A visually inspected 1000 ceramic bowls for surfaceflaws and found flaws in 37 of them. Inspector B inspectedthe same bowls and found flaws in 43 of them. A total of 948 bowls were found to be flawless through both inspectors. One of the 1000 bowls were selected at random.

a. Find out the probability that the flaw was found in this bowl by at least one of the two inspectors.

b. Find out the probability that the flaws were found in this bowl by both inspectors.

c. Find the probability that a flaw was found through inspector A but not by inspector B.

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Statistics and Probability, Statistics

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