Question: need part c please A simple random sample of 23 observations is derived from a normally distributed population with a population standard deviation of 6.6.

need part c please

A simple random sample of 23 observations is derived from a normally distributed population with a population standard deviation of 6.6. (You may find it useful to reference the table.) a. Is the condition that X is normally distributed satisfied? Yes O No b. Compute the margin of error with 95% confidence. (Round final answer to 2 decimal places.) Margin of error 270 c. Compute the margin of error with 90% confidence. (Round final answer to 2 decimal places.) Margin of error

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