Question: Let , with . a Then a1 . 0, a2 . 0 1 1 a2 5 a s 5 100 n 5 100 x 5

Let , with . a Then a1 . 0, a2 . 0 1 1 a2 5 a s 5 100 n 5 100 x 5 58.3 n 5 100 x 5 58.3 n 5 100 x 5 58.3 n 5 25 x 5 58.3 s 5 3.0

a. Use this equation to derive a more general expression for a CI for m of which the interval (7.5) is a special case.

b. Let and . Does this result in a narrower or wider interval than the interval (7.5)?

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