# Help with homework question.

**Question description**

A random sample of 1000 bass caught at smith mountain lake has a mean length of 35.5 centimeters with a standard deviation of 5 centimeters.

A. Construct a 98% confidence interval for the mean length of all bass in smith mountain lake.

B. How large a sample is needed to be 99% confident that our sample mean will be within 0.8 centimeter of the true mean?

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