T has been found that the scores on the Critical Reading portion of the SAT (Scholastic Aptitude Test) exam are normally distributed with mean 495 and standard deviation 116. Use the normal distribution to answer the following questions. (a) What is the estimated percentile for a student who scores 680 on Critical Reading?

Round your answer to the nearest integer.

The estimated percentile for 680 is Enter your answer in accordance to the question statement

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?