What value of Z /2 should be used to construct a 98% CI? What value of...

Question

Question

math Statistics-And-Probability

Answer 1

Answer #1

Part a)

$Z_{\alpha /2} = Z_{ 0.02 /2 } = 2.33$

Part b)

$t_{\alpha /2, n-1} = t_{0.05 /2, 15-1} = 2.145$

Answer 2

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