Color Blindness In a study of perception, 80 men are tested and 7 are found to have

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Color Blindness In a study of perception, 80 men are tested and 7 are found to have red green color blindness (based on data from USA Today).

a. Construct a 90% confidence interval estimate of the proportion of all men with this type of color blindness.

b. What sample size would be needed to estimate the proportion of male red green color blindness if we wanted 96% confidence that the sample proportion is in error by no more than 0.03? Use the sample proportion as a known estimate.

c. Women have a 0.25% rate of red green color blindness. Based on the result from part (a), can we safely conclude that women have a lower rate of red green color blindness than men?

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Elementary Statistics

ISBN: 9780201775709

9th Edition

Authors: Mario F. Triola

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