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If boys and girls are equally likely, groups of 400 births
Chapter 5, Problem 4CQQ(choose chapter or problem)
QUESTION:
Problem 4CQQ
If boys and girls are equally likely, groups of 400 births have a mean of 200 girls and a standard deviation of 10 girls. Is 232 girls in 400 births an unusually high number of girls?
Questions & Answers
QUESTION:
Problem 4CQQ
If boys and girls are equally likely, groups of 400 births have a mean of 200 girls and a standard deviation of 10 girls. Is 232 girls in 400 births an unusually high number of girls?
ANSWER:Answer:
Step 1 of 1
Using the range rule of thumb to find the minimum usual value μ – 2σ and the maximum usual valu