question archive 1) In a certain class, the probability of a quiz on Monday is
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1) In a certain class, the probability of a quiz on Monday is.3, the probability of a quiz on Wednesday is.2, and the probability of a quiz on Friday is .7. Assume these events are independent. Find the probability of having a quiz on at least one of the three days. Give your answer to three decimal places.
2) In a certain class, the probability of a quiz on Monday is.3, the probability of a quiz on Wednesday is .2, and the probability of a quiz on Friday is .7. Assume these events are independent. Find the probability of having a quiz on exactly one of the three days. Give your answer to three decimal places.
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