ACT scores are normally distributed with mean 22 and standard deviation 4.7. A random sample of 32 MiSU students has a mean ACT of 23.6.  A. Estimate the mean ACT score for all MiSU students at the 95% confidence level. B. If we want to estimate the mean ACT score for all MiSU students at the 99% confidence level with a margin of error of 10, then what sample size will we need?

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ACT scores are normally distributed with mean 22 and standard deviation 4.7. A random sample of 32 MiSU students has a mean ACT of 23.6. 

A. Estimate the mean ACT score for all MiSU students at the 95% confidence level.

B. If we want to estimate the mean ACT score for all MiSU students at the 99% confidence level with a margin of error of 10, then what sample size will we need?

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