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Please help 7.66 Effect of the confidence level Assume that x 1=100, x 2-115, s] = 19, s2 -16, n] -50, and n2 = 40.

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7.66 Effect of the confidence level Assume that x 1=100, x 2-115, s] = 19, s2 -16, n] -50, and n2 = 40. Find a 95% confidence interval for the difference between the corresponding values of u. Does this interval include more or fewer values than a 99% confidence interval would? Explain your

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