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Mean and standard deviation of Binomial distribution

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A wildlife biologist wants to do a test to see if there is a genetic trait linked to industrial toxins. Previous research says the trait is usually found in one out of every thirty frogs. If there are industrial toxins present in at the test site he would expect to see more frogs with the trait then exists in the general population. He plans to collect and examine 25 frogs. Assume the frequency of this trait has not changed your answer to the following question.

Calculate the mean and the standard deviation of this binomial distribution.

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Solution Summary

The solution gives the complete steps of calculating the mean and standard deviation of binomial random variable (see attachment).

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