Question: Suppose a 95% confidence interval for the mean computed from a random sample of ???? = 65 observations is 48.8 to 50.76. Does this confidence

Suppose a 95% confidence interval for the mean computed from a random sample of ???? = 65 observations is 48.8 to 50.76. Does this confidence interval provide convincing statistical evidence that

(a) ???? < 50? Explain.

(b) ???? > 50? Explain.

(c) ???? < 55? Explain.

(d) ???? > 45? Explain.

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