Question

26. Bob draws a simple random sample from an original population: The sample size is n = 41, the sample mean turns out to be Î¼ = 130, and the sample standard deviation turns out to be Ïƒ = 6. Find the 99% confidence interval for the population mean Î¼. A. (125.47, 130.53) B. (126.47, 131.53) C. (127.47, 132.53) D. (128.47, 133.53) 27. Bob draws a simple random sample from an original population: The sample size is n = 61, the sample mean turns out to be Î¼ = 59, and the sample standard deviation turns out to be s = 4. Find a 95% confidence interval for the population mean Î¼. A. (57.976, 60.024) B. (56.253, 59.757) C. (58.005, 61.417) D. (58.452, 59.661)

Name: 26 bob draws a simple random sample from an original population the sample size is n 41 the sample mean turns out to be 130and the sample standard deviation turns out to be 6 find the 99 con 15627
Uploaded: 2023-06-15T17:22:21-08:00
Duration: 2 min 25 s
Channel: Numerade
Description: 26 bob draws a simple random sample from an original population the sample size is n 41 the sample mean turns out to be 130and the sample standard deviation turns out to be 6 find the 99 con 15627

          26. Bob draws a simple random sample from an original population: The sample size is n = 41, the sample mean turns out to be Î¼ = 130, and the sample standard deviation turns out to be Ïƒ = 6. Find the 99% confidence interval for the population mean Î¼.

A. (125.47, 130.53)
B. (126.47, 131.53)
C. (127.47, 132.53)
D. (128.47, 133.53)

27. Bob draws a simple random sample from an original population: The sample size is n = 61, the sample mean turns out to be Î¼ = 59, and the sample standard deviation turns out to be s = 4. Find a 95% confidence interval for the population mean Î¼.

A. (57.976, 60.024)
B. (56.253, 59.757)
C. (58.005, 61.417)
D. (58.452, 59.661)

Added by John H.

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