Estimate the critical value of t for a confidence interval

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Reference no: EM131421951

Using the t tables, software, or a calculator, estimate

a) the critical value of t for a 90% confidence interval with df = 17.

b) the critical value of t for a 98% confidence interval with df = 88.

c) the P-value for with 4 degrees of freedom.

d) the P-value for with 22 degrees of freedom.

Reference no: EM131421951

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