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Suppose a couple plans to have 4 children and the probability of a boy is 0.50. Find the probability that the couple has at least

Suppose a couple plans to have 4 children and the probability of a boy is 0.50. Find the probability that the couple has at least one girl.Round your answer to 3 digits. [a]

Suppose a lie detector test can detect a lie97%of the time. You get hooked up and tell 10 truths and 10 lies. What is the probability that at least one of your lies goes undetected?Round your answer to 3 digits. [a]

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