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09-11-2019
Mathematics

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For a binomial process, the probability of success is 40 percent and the number of trials is 5. Find the variance.

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09-11-2019

Answer:

1.2

Step-by-step explanation:

The variance of a binomial distribution is:

σ² = n p (1 − p)

where n is the number of trials and p is the probability of success.

Given n = 5 and p = 0.40:

σ² = 5 (0.40) (1 − 0.40)

σ² = 1.2

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