The set of life spans of an appliance is normally distributed with a mean 48 and a standard deviation 8 months. What is the z-score of an appliance that stopped working at 64 months?

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answer: the distance

step-by-step explanation:

to calculate the distance d of a line segment with endpoints (x1, y1) and (x2, y2) use the formula d (x2 x1)2 (y2 y1)2. to calculate the midpoint of a line segment with endpoints (x1, y1) and (x2, y2) use the formula

the answer is d

hope this