Zvaluesproblem2

Zvaluesproblem2 - d. How many of the 1,000 trucks in the...

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Toby,s Trucking determined that on an annual basis, the distance traveled per truck is normally distributed w a standard deviation of 12 thousand miles. a. What proportion of trucks can be expected to travel between 34 and 50 thousand miles in a year? b. What is the probability that a randomly selected truck travels between 34 and 38 thousand miles in a year c. What percentage of trucks can be expected to travel either below 30 or above 60 thousand miles in a yea
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Unformatted text preview: d. How many of the 1,000 trucks in the fleet are expected to travel between 30 and 60 thousand miles in a y e. How many miles will be traveled by at least 80% of the trucks? with a mean of 50 thousand miles and 0.41 z score for 34 r? 0.07 subtract the z scores for 34 and 38 ar? 0.25 subtract the z scores for 30 and 36 year? 0.75 1 - answer c...
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Zvaluesproblem2 - d. How many of the 1,000 trucks in the...

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