Solve the Problem $\mathrm { mmHg }$ ) Are as Follows $\overline { \mathrm { x } } = 122.1 , \mathrm {~s} = 14.4$

question 79

Multiple Choice

Solve the problem.
-A simple random sample of women aged 18-24 is selected, and the systolic blood pressure of each woman is measured. The results (in $\mathrm { mmHg }$ ) are as follows: $\overline { \mathrm { x } } = 122.1 , \mathrm {~s} = 14.4$ . The sample size is less than 20. A $99 \%$ confidence interval for the population mean is found to be $\mu = 122.1 \pm 10.20$ . Find the sample size.

• A) 16
• B) 14
• C) 15
• D) 17

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