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Category > Statistics Posted 07 Jun 2017 My Price 8.00

A research firm has been asked to determine the proportion of all restaurants

A research firm has been asked to determine the proportion of all restaurants in the state of Ohio that serve alcoholic beverages. The firm wants to be 98% confident of its results but has no idea of what the actual proportion is. The firm would like to report an error of no more than .05. How large a sample should it take?

A national magazine marketing firm attempts to win subscribers with a mail campaign that involves a contest using magazine stickers. Often when people subscribe to magazines in this manner they sign up for multiple magazine subscriptions. Suppose the marketing firm wants for the population variance of these prices? Assume prices are normally distributed in the population.

5.18        5.22        5.25        5.19        5.30

5.17        5.15        5.28        5.20        5.14

5.05        5.19        5.26        5.23        5.19

5.22        5.08        5.21        5.24        5.33

5.22        5.19        5.19

 

 

 
 

 

Answers

Alpha Geek
(8)
Status NEW Posted 07 Jun 2017 09:06 AM My Price 8.00

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file 1496828683-1513377_1_636323164210176355_1513377.xlsx preview (197 words )
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