Question 1147820
Z-score = {{{(x - mean)/SD}}} = {{{(82 - 76)/12.5}}} = {{{6/12.5}}} = 0.48
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Go to a z-table and look up +0.48.  At a z-score of +0.48, the area to the left of the curve is 0.6844.
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So, the probability is 0.6844 that her pulse rate is less than 82 beats per minute.