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Question 21 of 22 (10 points) | Question Attempt: 1 of 1 + 10 F 12 13 14 15 16 17 19 20 21 Heart Rates For a certain group of individuals, the average heart rate is 74 beats per minute. Assume the variable is normally distributed and the standard deviation is 4 beats per minute. If a subject is selected at random, find the probability that the person has the following heart rate. Round the final answers to at least four decimal places and intermediate :-value calculations to two decimal places. Part: 0 / 3 Part 1 of 3 (a) Between 69 and 77 beats per minute P(69