# Computing binomial probabilities

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Consider a binomial experiment with 2 trials and p = .3. For the following questions, round to the nearest hundredth.

Compute the probability of 1 success f(1)

Compute f(0)

Compute f(2)

Find the probability of at least 1 success

What is the expected value?

What is the variance?

What is the standard deviation?

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##### Solution Summary

This solution shows how to calculate probabilities related to a binomial distribution and shows how to find the mean, variance and standard deviation of a binomial distribution.

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Binomial experiments

Consider a binomial experiment with 2 trials and p = .3. For the following questions, round to the nearest hundredth.

This problem is modeled by a binomial random variable X.

The parameters of ...

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