Question

Assume that the proportion of green eyes in the world's population is approximately 080. A random sample of thirty people is taken, and six of the thirty have green eyes. A) Using the normal approximation to the binomial, find the probability of finding six people with green eyes in a sample of thirty B) Repeat part A, but this time use the binomial distribution instead of the normal approximation. C) Compare your results from parts A and B. Does the normal distribution approximate the binomial well in this case? Why or why not? Find the probability of finding at least sik people with green eyes in a sample of thirty. D) E) Is six out of thirty a significantly high number of green-eyed people in this sample? What does this tell you about the.080 population proportion we assumed?

Answer 1

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