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QUESTION 9 In a random sample of 120 persons who attempted to return merchandise at the customer service desk of a depart- ment store, it was found that 18 persons were not allowed to do so because the merchandıse was worn, damaged, returned late, purchased at another store or unaccompanied by a sales slip. A 99% confidence interval for the proportion of customers not allowed to return the merchandise in the population sampled is (1) (0.086; 0.214) (2) (0.766; 0.934) (3) (0 096, 0 204) (4) (0.066, 0 234)

QUESTION 9 In a random sample of 120 persons who attempted to return merchandise at the customer service desk of a depart- ment store, it was found that 18 persons were not allowed to do so because the merchandıse was worn, damaged, returned late, purchased at another store or unaccompanied by a sales slip. A 99% confidence interval for the proportion of customers not allowed to return the merchandise in the population sampled is (1) (0.086; 0.214) (2) (0.766; 0.934) (3) (0 096, 0 204) (4) (0.066, 0 234)

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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(4) Only D QUESTION 9 In a random sample of 120 persons who attempted to return merchandise at the customer service desk of a depart- ment store, it was found that 18 persons were not allowed to do so because the merchandise was wom, damaged, returned late, purchased at another store or unaccompaniced by a sales slip. A 99% confidence nterval for the proportion of customers not allowed to retum the merchandıse in the population sampled is (1) (0.086; 0.214) (2) (0.766; 0.934) (3) (0 096, 0 204) (4) (0.066, 0 234) earch
Transcribed Image Text:(4) Only D QUESTION 9 In a random sample of 120 persons who attempted to return merchandise at the customer service desk of a depart- ment store, it was found that 18 persons were not allowed to do so because the merchandise was wom, damaged, returned late, purchased at another store or unaccompaniced by a sales slip. A 99% confidence nterval for the proportion of customers not allowed to retum the merchandıse in the population sampled is (1) (0.086; 0.214) (2) (0.766; 0.934) (3) (0 096, 0 204) (4) (0.066, 0 234) earch
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ISBN:
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