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Author Question: The speed of cars traveling down a particular road follows a distribution that is not bell-shaped ... (Read 22 times)

Wadzanai

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on: Aug 1, 2018
The speed of cars traveling down a particular road follows a distribution that is not bell-shaped and symmetrical has a mean equal to 50 miles per hour (MPH) and a standard deviation equal to 6 MPH. What is the minimum percent of cars that would be expected to fall between 38 MPH and 62 MPH?

Question 2

The average order size for a home shopping company follows a bell-shaped and symmetrical distribution has a mean equal to 75 and a standard deviation equal to 10 . What range of sales order size would we expect to see 95 percent of the time?


Bsand8

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Reply #1 on: Aug 1, 2018
Answer to Question 1

Using Chebyshev's Theorem, we would expect 75 of the cars to fall within these limits.

Answer to Question 2

95 percent of the orders should fall between 55 and 95.


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