Question: Suppose we sample 22 observations from a normally distributed population where the population standard deviationis known to equal 59.0, but the population mean is unknown.We

Suppose we sample 22 observations from a normally distributed population where the population standard deviationis known to equal 59.0, but the population mean is unknown.We find a sample mean of 327.7.If we wish to find an 88% confidence interval for mu, what is the value of the margin of error?

(Give your response to at least 3 decimal places.Give only your numeric response, and no extra characters or symbols.)

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