Pulse rates of people are quite important, the pulse rates (in beats per minute) of n=40 mean=76.3 and the standard deviation is =12.5 randomly selected women in a certain country have the statistics:...

Pulse rates of people are quite important, the pulse rates (in beats per minute) of n=40 mean=76.3 and the standard deviation is =12.5
randomly selected women in a certain country have the statistics: ̅ and
. Using a 90% confidence level, construct a confidence interval for the mean pulse rate of women.