Unusual For 200 births, the probability of exactly 90 girls is 0.0208 and the probability of 90
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Unusual For 200 births, the probability of exactly 90 girls is 0.0208 and the probability of 90 or fewer girls is 0.089.
a. Is exactly 90 girls in 200 births unlikely?
b. Among 200 births, is 90 girls an unusually low number of girls?
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