Fifteen Smart Cars were randomly selected and the highway mileage of each was noted. The analysis yielded a mean of 47 miles per gallon and a standard deviation of 5 miles per gallon. Which of the following would represent a 90% confidence interval for the average highway mileage of all Smart Cars? Select one: 47 t1.76115

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Fifteen Smart Cars were randomly selected and the highway mileage of each was noted. The
analysis yielded a mean of 47 miles per gallon and a standard deviation of 5 miles per gallon.
Which of the following would represent a 90% confidence interval for the average highway-
mileage of all Smart Cars?
Select one:
O 47 t1.76115
O 47 t 1.645E
5
O 47 +1.753-E
15
O47 t1.345 7T5
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naged in as 20191015515 Che on u) Data refention smmmany
Transcribed Image Text:Fifteen Smart Cars were randomly selected and the highway mileage of each was noted. The analysis yielded a mean of 47 miles per gallon and a standard deviation of 5 miles per gallon. Which of the following would represent a 90% confidence interval for the average highway- mileage of all Smart Cars? Select one: O 47 t1.76115 O 47 t 1.645E 5 O 47 +1.753-E 15 O47 t1.345 7T5 NEXT PAGE OPUELC. All rights reserved. Get the naged in as 20191015515 Che on u) Data refention smmmany
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