Let 1 0, 2 0, with 1 2 . Then P z1 z2
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Let 1 0, 2 0, with 1 2 . Then P
z1 z2 1
a. Use this equation to derive a more general expression for a 100(1 )% CI for of which the interval (7.5) is a special case.
b. Let .05 and 1 /4, 2 3/4. Does this result in a narrower or wider interval than the interval (7.5)?
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Related Book For
Probability And Statistics For Engineering And The Sciences
ISBN: 9781111802325
7th Edition
Authors: Dave Ellis, Jay L Devore
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