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The distribution of systolic blood pressures for female diabetics between the ages of 30 and 34 have unknown mean?

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The distribution of systolic blood pressures for female diabetics between the ages of 30 and 34 have unknown mean. However, the standard deviation is σ = 11.8 (Systolic). A random sample of one hundred women is chosen from this population. The mean systolic blood pressure for the sample is =130mmHG. Calculate a two-sided 95% confidence interval for the population mean.
asked 5 years ago in Statistics by anonymous

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Let g = 1.96 * 11.8/10^.5

Confidence interval is:
(Xbar - g, Xbar + g) = (122.7, 137.3)
answered 5 years ago by anonymous

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