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Use Binomial Probability To Find Expected Value

In a binomial experiment with 9 trials and a success probability of 0.4, what is the mean (expected value) of the number of successes?

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If the probability of success in a binomial experiment is 0.5 and there are 10 trials, what is the standard deviation of the number of successes?

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If the probability of success in a binomial experiment is 0.8 and there are 12 trials, what is the standard deviation of the number of successes?

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If the probability of success in a binomial experiment is 0.6 and there are 10 trials, what is the variance of the number of successes?

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In a binomial experiment with 10 trials and a success probability of 0.6, what is the variance of the number of successes?

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If the probability of success in a binomial experiment is 0.2 and there are 8 trials, what is the mean (expected value) of the number of successes?

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In a binomial experiment with 12 trials and a success probability of 0.7, what is the variance of the number of successes?

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If the probability of success in a binomial experiment is 0.3 and there are 15 trials, what is the mean (expected value) of the number of successes?

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In a binomial experiment with 15 trials and a success probability of 0.3, what is the standard deviation of the number of successes?

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If the probability of success in a binomial experiment is 0.4 and there are 6 trials, what is the variance of the number of successes?

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