A wildlife biologist examines frogs for a genetic trait, Ask an Expert

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A wildlife biologist examines frogs for a genetic trait. Previous research found this trait in 1 of 4 frogs. The biologist examines 170 frogs.

A) What is the mean and standard deviation of the number of frogs they should find with the trait?

B) Can you use a normal model to approximate the distribution of frogs with the trait? Why or why not?

C) The biologist found the trait in 62 frogs. Does this prove the trait has become more common? Why or why not in terms of standard deviation.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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