Question: a.) Use normal approximation to estimate the probability of getting at most 51 girls in 100 births. Assume that boys and girls are equally likely.

a.) Use normal approximation to estimate the probability of getting at most 51 girls in 100 births. Assume that boys and girls are equally likely.

b.) Use normal approximation to estimate the probability of passing a true/false test of 50 questions if the minimum passing grade is 50% and all responses are random guesses.

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