A company that produces and markets video game systems wishes to assess its cust

Question

A company that produces and markets video game systems wishes to assess its customers' level of satisfaction with a relatively new model. The XYL Box In the six months since the introduction of the model, the company has received/3.219 warranty registrations from purchasers The Company will select a random sample of 65 of these registrations and will conduct telephone interviews with the purchasers specifically. each purchaser will be asked to slate his or her level of agreement with each of the seven statements listed on the survey instrument given me the following table Here, the level of agreement for each statement is measured on a 7-point Liker scale Purchaser satisfaction will be measured by adding the purchaser s responses to the seven statements It follows that for each consumer the minimum composite score possible is 7 and the maximum is 49 Furthermore. experience has shown that a purchaser of a video game system is 'very satisfied' if his or her composite score is at least 42 Suppose that when the 65 customers are interviewed, their composite scores are as given in the following table Using the data estimate knits between which most of the 73.219 composite scores would fall Also estimate the proportion of the 73 219 composite scores that would be at least 42 (Round your proportion of scores answer to 3 decimal places.)

Explanation / Answer

Solutions: By using the above table:

Using the data, estimate limits between which most of the 73,219 composite scores would fall. The limits are from 36 to 49 .

Also estimate the proportion of the 73,219 composite scores that would be at least 42. (Round your
answer to decimal places.)
An estimate of the Proportion of scores that would be at least 42 is = .707

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