1. We sample 32 CEOs to estimate their average monthly salary. We discover that our sample mean is $4,726.00with a standard deviation of $500.00. Calculate intervals for the following confidence levels.

63%

81%

90%

95%

99%

2. We sample 21 Neon Tetras (a common aquarium fish) to estimate their average body length (in inches). We discover that our sample mean is 0.87 inches with a standard deviation of 0.15 inches. Calculate intervals for the following confidence levels.

61%

75%

90%

95%

99%