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QUESTION
Suppose amongst all the families on a Caribbean Cruise, the population variance of the number of children per family is 4. If we were to take a...
Suppose amongst all the families on a Caribbean Cruise, the population variance of the number of children per family is 4. If we were to take a sample of 10 families, then the probability is .9 that the sample variance is less than ___. (Hint: Use the χ2 distribution.)
