Estimate average litter size to within 1 baby hamster

Reference no: EM131422564

How large are hamster litters? Among 47 golden hamster litters recorded, there were an average of 7.72 baby hamsters, with a standard deviation of 2.5 hamsters per litter.

a) Create and interpret a 90% confidence interval.

b) Would a 98% confidence interval have a larger or smaller margin of error? Explain.

c) How many litters must be used to estimate the average litter size to within 1 baby hamster with 95% confidence?

Reference no: EM131422564

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