What is the area of the figure shown below? * PLZ ANSWER

Answer question above and explain each step : )

Assume that females have pulse rates that are normally distributed with a mean of mu equals 72.0 beats per minute and a standard deviation of sigma equals 12.5 beats per minute. complete parts (a) through (c) below. a. if 1 adult female is randomly selected, find the probability that her pulse rate is between 65 beats per minute and 79 beats per minute. the probability is? b. if 16 adult females are randomly selected, find the probability that they have pulse rates with a mean between 65 beats per minute and 79 beats per minute. the probability is? c. why can the normal distribution be used in part (b), even though the sample size does not exceed 30?

At the beginning of the month, alexa’s bank account contained $4329.97. she then made two deposits of $452.28 each and a withdrawal of $279.34. she then went to the store and bought the new iphone x for $1,015 plus 6% sales tax. how much money does she have in her account now?