What proportion of trucks can be expected to travel

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A trucking company determined that the distance traveled per truck per year is normally? distributed, with a mean of 70 thousand miles and a standard deviation of 12 thousand miles. Complete parts? (a) through? (c) below.

a. What proportion of trucks can be expected to travel between 54 and 70 thousand miles in a? year?

The proportion of trucks that can be expected to travel between 54 and 70 thousand miles in a year is

Reference no: EM132845686

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