(Answered) The worlds smallest mammal is the bumblebee bat the mean

Statistics

The world's smallest mammal is the bumblebee bat. The mean weight of 15 randomly selected bumblebee bats is 1.659 grams, with a standard deviation of 0.264 grams.

1. Find a 99.9% confidence interval for the mean weight of all bumblebee bats at the following confidence levels (two places after decimal):(______, ______)

2. Find a 99% confidence interval for the mean weight of all bumblebee bats at the following confidence levels (two places after decimal):(______, ______)

3. Find a 95% confidence interval for the mean weight of all bumblebee bats at the following confidence levels (two places after decimal):(______, ______)

4. Find an 80% confidence interval for the mean weight of all bumblebee bats at the following confidence levels (two places after decimal):(______.______)

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