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According to hypothetical information, 18% of all Americans have hazel colored eyes. A SRS of 25,000 Americans are surveyed and asked about their eye color (assume each of the Americans in the sample has an 18% chance of having hazel colored eyes).

a) Determine the mean and standard deviation of this sample of Americans that have hazel colored eyes.
Mean =__________

Standard Deviation=__________

b) What is the approximate probability that at least 4600 of the 25,000 Americans surveyed have hazel colored eyes? ______________

c) What is the approximate probability that between 4450 and 4570 inclusive of the 25,000 Americans surveyed have hazel colored eyes? _______________

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Statistics and Probability, Statistics

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