For women aged 18-24, systolic blood pressures ( in mm Hg) are normally distributed with a mean of 114.8 and a standard deviation of 13.1 ( based on data from the National Health survey. Hypertension is commonly defined as a systolic blood pressure above 140 mm Hg. a. If 4 women in that age bracket are randomly selected, what is the probability that their mean systolic blood pressure is above 140? b. What percent of women in that age bracket have a mean systolic blood pressure above 140? c. Find the 90th percentile for the mean systolic blood pressure for women aged 18 to 24.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.