The world's smallest mammal is the bumblebee bat. The mean weight of 40 randomly selected bumblebee...

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The world's smallest mammal is the bumblebee bat. The meanweight of 40 randomly selected bumblebee bats is 1.659 grams, witha standard deviation of 0.264 grams.
Find a 99.9% confidence interval for the mean weight of allbumblebee bats at the following confidence levels (two places afterdecimal):
Find a 99% confidence interval for the mean weight of allbumblebee bats at the following confidence levels (two places afterdecimal):
Find a 95% confidence interval for the mean weight of allbumblebee bats at the following confidence levels (two places afterdecimal):
Find an 80% confidence interval for the mean weight of allbumblebee bats at the following confidence levels (two places afterdecimal):

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using excel we have Confidence Interval Estimate for the Mean Data Sample Standard Deviation 0264 Sample Mean 1659 Sample Size 40 Confidence Level 999 Intermediate Calculations Standard Error of the Mean 0041742065 Degrees of Freedom 39 t Value 35581 Interval Half Width 01485 Confidence Interval Interval Lower Limit See Answer

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