Suppose that when a signal having value is transmitted from location A the value received at location B is normally distributed with mean and variance 4 That is, if is sent, then the value received is N where N, representing noise, is normal with mean 0 and variance 4 To reduce error, suppose the same value is sent 9 times If the successive values received are 5, 8 5, 12, 15, 7, 9, 7 5, 6 5, 10 5, let us construct a 95 percent confidence interval for Since x 81 9 9

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Question: Suppose that when a signal having value is transmitted from location A the value received at location B is normally distributed with mean

Suppose that when a signal having value μ is transmitted from location A the value received at location B is normally distributed with mean μ and variance 4. That is, if μ is sent, then the value received is μ + N where N, representing noise, is normal with mean 0 and variance 4. To reduce error, suppose the same value is sent 9 times. If the successive values received are 5, 8.5, 12, 15, 7, 9, 7.5, 6.5, 10.5, let us construct a 95 percent confidence interval for μ.

Since

x= 81 = 9 9

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