Question: Construct a 90% confidence interval for the mean retirement age for teachers. In a random sample of 10 teachers, the mean retirement age was 59

Construct a 90% confidence interval for the mean retirement age for teachers. In a random sample of 10 teachers, the mean retirement age was 59 with a standard deviation of 3.2 years. Assume the sample comes from a population that is normally distributed. Hint: use the formula

Upper E equals t Subscript alpha divided by 2 Baseline StartFraction s Over StartRoot n EndRoot EndFraction to find the margin of error.

The margin of error is: nothing (round to 2 decimal places).

The confidence interval is:(nothing, nothing) (round to 2 decimal places).

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