Zvaluesproblem2

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

This preview shows pages 1–2. Sign up to view the full content.

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

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

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...
View Full Document

{[ snackBarMessage ]}

Page1 / 2

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

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online