box contains 5 green and 3 orange balls. If three balls are taken at random with replacements, what is the variance number of orange balls?   A. 45/8   B. 15/8   C. 1/8   D. 9/8

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Q: If P(A) = 0.76, P(A ∪ B) = 0.91, and P(A ∩ B) = 0.54, then P(B) = _____.   a. 0.69     b. 0.15     c...

A: We have given that, P(A) = 0.76, P(A ∪ B) = 0.91, and P(A ∩ B) = 0.54, then P(B) = ? 

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Q: much confidence does the estimation of has if the ard deviation of 12 with error margin of 0.3?

A: Question 2

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Q: Sketch the normal curve and indicate the location of the rejection region. 2. z>1.645

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