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1) box 1 contains 10 cookies of which 6 are broken and 4 are good. Box...

1) box 1 contains 10 cookies of which 6 are broken and 4 are good. Box 2 contains 12 cookies of which 7 are broken and 5 are good.

If the cookie selected is broken, what is the probability that box 1 was selected?

2)The probability that a given line of computer code has a mistake in it is 0.02. Suppose there are 20 such lines of code and that the mistakes occur independently from line to line.

a. Calculate the probability of no mistakes

b. Calculate the probability of two or more mistakes

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