-DO 1. Adult females have a pulse rate that is normally distributed with a mean of 74.0 beats per minute and a standard deviation of 12.5 beats per minute. a) If one adult female is selected at random, find the probability that her pulse rate is less than 80 beats per minute. Type your answer... b) If 16 adult females are randomly selected, find the probability that they have pulse rates with a mean less than 80 beats per minute Type your answer... c) If 4 adult females are randomly selected, find the probability that they have pulse rates with a mean between 78 beats per minute and 90 beats per minute. Type your answer...

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