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https//edugen.wileyplus.com edugeryti/main.un C Search WileyPLUS Stu Lock, Stati

ID: 3059998 • Letter: H

Question

https//edugen.wileyplus.com edugeryti/main.un C Search WileyPLUS Stu Lock, Statistics: Unlocking the Power of Data, 2e Help I System Announcements NTER VERSION 10N ·BACK NEXT ASSIGNMENT RESOURCES Chapter P, Section 1, Exercise 038 Color Blindness in Men and Wonern Wil PLUS Secti The most common form of color blindness is an inability to distinguish red from green. However, this particular form of color blindness is much more common in men than in women (this is because the genes corresponding to the red and green receptors are located on the X-chromosome). Approximately 7% of American men and 0.4% of American women are red-green color-blind. Let CBM and CBW denote the events that a man or a woman is color-blind, respectively EChapter P. Section Chapter P. Section Montgomery, G., "Calor Blindness: More Prevalent Among Males," in Seeing, Hearing, and Smelling the World, http://www.hhmi.org/senses/b130 html, accessed April 27, 2012 (a) If an American male is selected at random, what is the probability that he is red-green color-blind? Enter the exact answer (CBM) = exact number, no tolerance I, Exercise 020 E Chaoter P. Section TO TEXT (b) If an American female is selected at random, what is the probability that she is NOT red-green color-blind? Chapter P. Section I, Exercise 027 Enter the exact answer E Chapter P. Section 612 PM Type here to search

Explanation / Answer

a) P(CBM) = 0.07

b) P(not CBW) = 1 - 0.004 = 0.996

c) P(neither are color blind) = 1 - P(both are color blind)

                                           = 1 - 0.07 * 0.004 = 0.99972

d) P(at least one is color-blind) = 0.07 * 0.996 + 0.004 * 0.93 + 0.07 * 0.004 = 0.07372