Hi, I need help with this problem. I am able to set up but get lost when I need to figure out the rest of the problem by doing the standard normal distribution?curve. This question has additional parts to it which I have attached.

b. If 25 adult females are randomly selected, find the probability that they have pulse rates with a mean less than 80 beats per minute. The probability is | (Round to four decimal places as needed.) Vi Vi ([,!) More X Enter your answer in the answer box and then click Check Answer. ? part remaining Clear All Check AnswerAssume that females have pulse rates that are normally distributed with a mean of u = 73.0 beats per minute and a standard deviation of o = 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 less than 80 beats per minute. The probability is (Round to four decimal places as needed.) Enter your answer in the answer box and then click Check Answer. ? 2 parts remaining Clear All Check