# For each day of last year, the number of vehicles passing through a certain intersection was recorded by a city engineer. One objective of this study was to determine the percentage of days that more than 425 vehicles used the

For each day of last year, the number of vehicles passing through a certain intersection was recorded by a city engineer. One objective of this study was to determine the percentage of days that more than 425 vehicles used the intersection. Suppose the mean for the data was 375 vehicles per day and the standard deviation was 25 vehicles.

a. What can you say about the percentage of days that more than 425 vehicles used the intersection? Assume you know nothing about the shape of the relative frequency distribution for the data.

b. What is your answer to part a if you know that the relative frequency distribution for the data is mound-shaped?

Distribution

The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...

a. What can you say about the percentage of days that more than 425 vehicles used the intersection? Assume you know nothing about the shape of the relative frequency distribution for the data.

b. What is your answer to part a if you know that the relative frequency distribution for the data is mound-shaped?

Distribution

The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...

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## a From the information given we have 375 and s 25 From Chebyshevs Rule w…View the full answer

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## Statistics For Business And Economics

**ISBN:** 9780321826237

12th Edition

**Authors:** James T. McClave, P. George Benson, Terry T Sincich

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