A random sample of 13 hotels in Boston had an average nightly room rate of $172.10 with a sample standard deviation of $23.90. The 99% confidence interval around this sample mean is -------- .
A)($165.48, $178.72)
B)($155.55, $188.65)
C)($158.86, $185.34)
D)($151.88, $192.32)

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The Answer of A random sample of 13 hotels in Boston had an average nightly room rate of $172.10 with a sample standard deviation of $23.90. The 99% confidence interval around this sample mean is -------- .
A)($165.48, $178.72)
B)($155.55, $188.65)
C)($158.86, $185.34)
D)($151.88, $192.32)

A Random Sample of 13 Hotels in Boston Had an Average