2. A random sample of 10 items is taken from a normal population. The sample had a mean of 82 and a standard deviation is 26. Which is the appropriate 99% confidence interval for the population mean? a. 82tzo0os (26) b. 82tto00s (26) 0005 82±zo01 с. V10 d. 82±fo0s 10 26 е. none of the above

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2. A random sample of 10 items is taken from a normal population. The sample had a mean of 82 and a
standard deviation is 26. Which is the appropriate 99% confidence interval for the population mean?
a. 82±zo0os (26)
b. 82±to00s (26)
c. 82±zo01
26
d. 82±fo00s 10
26
е.
none of the above
Transcribed Image Text:2. A random sample of 10 items is taken from a normal population. The sample had a mean of 82 and a standard deviation is 26. Which is the appropriate 99% confidence interval for the population mean? a. 82±zo0os (26) b. 82±to00s (26) c. 82±zo01 26 d. 82±fo00s 10 26 е. none of the above
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