7. Bob draws a simple random sample from an original population. The sample size is n = 51, the sample mean turns out to be x = confidence interval for the population mean µ. A. (74.062, 81.938) 78, and the sample standard deviation turns out to be s = 14. Find the 95% B. (74.062, 83.948) C. (74.062, 85.958) D. (74.062, 87.968)

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7. Bob draws a simple random sample from an original population. The sample size is n = 51, the sample
mean turns out to be x =
confidence interval for the population mean µ.
A. (74.062, 81.938)
78, and the sample standard deviation turns out to be s = 14. Find the 95%
B. (74.062, 83.948)
C. (74.062, 85.958)
D. (74.062, 87.968)
Transcribed Image Text:7. Bob draws a simple random sample from an original population. The sample size is n = 51, the sample mean turns out to be x = confidence interval for the population mean µ. A. (74.062, 81.938) 78, and the sample standard deviation turns out to be s = 14. Find the 95% B. (74.062, 83.948) C. (74.062, 85.958) D. (74.062, 87.968)
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