(a) How large must n be if the length of the 95% CI is to be not greater than 30? (b) How large must n be if the length of the 99% CI is to be not greater than 30?

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Q: 12 n= nn+3) Sn= %3D

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A: The sample size 10, the probability of throwing red is 0.78.

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A: Compute n(A) as follows.Assume a set B with 20 elements.B = {1,−1, 2, −2, 3, −3,......10, −10}.

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