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?
Step-by-Step Solution:
Answer:
Step 1 of 1</p>
Using the range rule of thumb to find the minimum usual value μ – 2σ and the maximum usual value μ – 2σ.
minimum: mean - 2(standard deviation)
...
Step 2 of 3
Chapter 5.5, Problem 4CQQ is Solved
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Step 3 of 3
