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Category > Management Posted 10 Oct 2017 My Price 5.00

binomial experiment

7.45  Consider two binomial experiments.

a.   The first binomial experiment consists of six trials. How many outcomes have exactly one success, and what are these outcomes?

b.   The second binomial experiment consists of 20 trials. How many outcomes have exactly 10 successes? exactly 15 successes? exactly 5 successes?

7.46 Suppose that in a certain metropolitan area, 9 out of 10 households have a VCR. Let x denote the number among four randomly selected households that have a VCR, so x is a binomial random variable with n = 4 and p = .9.

a.   Calculate p(2) = P(x = 2), and interpret this probability.

b.   Calculate p(4), the probability that all four selected households have a VCR.

c.    Determine P(x 3).

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Maurice Tutor
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Status NEW Posted 10 Oct 2017 01:10 PM My Price 5.00

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