A trucking company determined that the distance traveled per truck per year is normally distributed, with a mean of 60 thousand miles and a standard deviation of 11 thousand miles. Complete parts (a) through (d) below a. What proportion of trucks can be expected to travel between 45 and 60 thousand miles in a year? The proportion of trucks that can be expected to travel between 45 and 60 thousand miles in a year is (Round to four decimal places as needed)

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#4 Part a
A trucking company determined that the distance traveled per truck per year is normally distributed, with a mean of 60 thousand miles and a standard deviation of 11 thousand miles. Complete parts (a) through (d) below
a. What proportion of trucks can be expected to travel between 45 and 60 thousand miles in a year?
The proportion of trucks that can be expected to travel between 45 and 60 thousand miles in a year is
(Round to four decimal places as needed.)
Transcribed Image Text:A trucking company determined that the distance traveled per truck per year is normally distributed, with a mean of 60 thousand miles and a standard deviation of 11 thousand miles. Complete parts (a) through (d) below a. What proportion of trucks can be expected to travel between 45 and 60 thousand miles in a year? The proportion of trucks that can be expected to travel between 45 and 60 thousand miles in a year is (Round to four decimal places as needed.)
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Given,mean(μ)=60standard deviation(σ)=11

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