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A population of red-bellied snakes is known to have a ratio of grey color morph to...

A population of red-bellied snakes is known to have a ratio of grey color morph to red color morph of 53:47. You wish to know the probability of selecting a random sample of 30 snakes containing 10 or fewer red morph individuals. Use R to solve the problems.

(a) Use a statistical program to determine the exact probability of getting 10 or fewer grey morph individuals.

(b) Now use the normal approximation of the binomial distribution to answer the same question. Compare your answers. Are they similar?

Math   Statistics-And-Probability   
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