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):