E ' | Heart Rates For a certain group of individuals, the average heart rate is 7'1 beats per minute. Assume the variable is normally distributed and the standard Spam dewation is 3 beats per minute. If a subject is selected at random, find the probability that the person has the followmg heart rate. Round the final answers to at least four decimal places and Intermediate z-value calculations to two deCImal places. Part: 0 f 3 HUI: Part10f3 E] (a) Between 6? and 7'3 beats per minute 33(67 69) = XMonthly Mortgage Payments The average monthly mortgage payment including principal and interest is $982 in the United States. Assume that the standard dewation is approximately 5180 and the mortgage payments are approximately normally distributed. Find these probabilities of the monthly payment selected randomly. Enter the final answers as decimals rounded to at least four places. Round Intermediate z-value calculations to two decimal places. Part: Inf 2 Part10f2 (a) More than $12?0 P(X>= 1270): | 0.054s| Fart:le Part20f2 Espar'wl