In a study of success records of nine students, a researcher reported the following results: 12,15,10,15,20,25,20,10,16. Construct a 99% confidence interval estimate of the true mean number of success. We will assume that the data is normally distributed. O a. (12.75, 19.01) O b. (10.25, 21.52) O . (13.01, 18.75) O d. (12.01, 19.75) O e. (12.88, 18.88)

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In a study of success records of nine students, a researcher reported the following results:
12,15,10,15,20,25,20,10,16.
Construct a 99% confidence interval estimate of the true mean number of success. We will assume that the
data is normally distributed.
O a. (12.75, 19.01)
О Б. (10.25, 21.52)
О с. (13.01, 18.75)
O d. (12.01, 19.75)
О е.(12.88, 18.88)
Transcribed Image Text:In a study of success records of nine students, a researcher reported the following results: 12,15,10,15,20,25,20,10,16. Construct a 99% confidence interval estimate of the true mean number of success. We will assume that the data is normally distributed. O a. (12.75, 19.01) О Б. (10.25, 21.52) О с. (13.01, 18.75) O d. (12.01, 19.75) О е.(12.88, 18.88)
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