A simple random sample of women aged 18-24 is selected, and the systolic blood pressure of each woman is measured. The results (in mmHg) are as follows: = 122.2, s = 14.1. The sample size is less than 20. A 99% confidence interval for the population mean is found to be u= 122.2 +- 9.99 Find the sample size
a. 14
b. 16
c. 15
d. 17
a. 14
b. 16
c. 15
d. 17