Multiplication Rule of Probability
3 Questions
QUESTION 2 of 3
I am also having trouble solving this problem: A batch consists of 12 defective coils and 88 good ones. Find the probability of getting two defective coils when two coils are randomly selected if the first selection is replaced before the second is made.
QUESTION 3 of 3
I am having trouble solving this problem: A sample of 4 different calculators is randomly selected from a group containing 13 that are defective and 27 that have no defects. What is the probability that at least one of the calculator is defective.
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