Pulse rates of adult men are approximately normal with a mean of 70 and a standard deviation of 8. Which choice correctly describes how to find the proportion of men that have a pulse rate greater than 78? (a) Find the area to the right of z = -1 under a standard normal curve. (b) Find the area to the right of z=1 under a standard normal curve. (c) Find the area to the left of z = 1 under a standard normal curve. (d) Find the area between z=-1 and z=1 under a standard normal curve. (e) None of the above

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Pulse rates of adult men are approximately normal with a mean of 70 and a
standard deviation of 8. Which choice correctly describes how to find the proportion
of men that have a pulse rate greater than 78?
(a) Find the area to the right of z = -1 under a standard normal curve.
(b) Find the area to the right of z=1 under a standard normal curve.
(c) Find the area to the left of z = 1 under a standard normal curve.
(d) Find the area between z=-1 and z=1 under a standard normal curve.
(e) None of the above
Transcribed Image Text:Pulse rates of adult men are approximately normal with a mean of 70 and a standard deviation of 8. Which choice correctly describes how to find the proportion of men that have a pulse rate greater than 78? (a) Find the area to the right of z = -1 under a standard normal curve. (b) Find the area to the right of z=1 under a standard normal curve. (c) Find the area to the left of z = 1 under a standard normal curve. (d) Find the area between z=-1 and z=1 under a standard normal curve. (e) None of the above
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