The standard deviation of the population is 09 ounces which

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A study of 55 white mice showed that their average weight was 3.2 ounces. The standard deviation of the population is 0.9 ounces. Which of the following is the 90% confidence interval for the mean weight per white mouse?

a.3.00

b.3.04

c.3.10

d.2.80<u<3.60

Reference no: EM13579679

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