Mathematics, 12.01.2020 07:31 brii1387
The number of minutes of commercials shown per hour was determined 12 times at random. the results are 14,13,15,11,17,18,11,14,17,18,15 and 13 minutes of commercials shown per hour. construct a 98% confidence interval for the mean number of minutes of commercials shown per hour.
a.(12.8173,16.5161)
b.(12.7350,16.5984)
c.(12.7350,16.5161)
d.(12.8173,16.5984)
e. (13.1025,16.2309)
Answers: 1
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