MODULE
RANDOM VARIABLES
RANDOM VARIABLES CHECKPOINT 3
Step 1 of 1
Question 1 of 3Question 2 of 3These three questions refer to the following information:Color-blindness is any abnormality of the color vision system that causes a person to see colors differently thanmost people, or to have difficulty distinguishing among certain colors ().Color-blindness is gender-based, with the majority of sufferers being males.Roughly 8% of white males have some form of colorblindness, while the incidence among white females is only 1%.A random sample of 20 white males and 40 white females was chosen.Let Xbe the number of males (out of the 20) who are color-blind.Let Ybe the number of females (out of the 40) who are color-blind.Let Zbe the total number of color-blind individuals in the sample (males and females together).Which of the following is true about the random variables X, Y, and Z?X is binomial with n = 20 and p = .08.Y is binomial with n = 40 and p = .01.Z is not binomial.All of the above are true.Only (A) and (B) are true.

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- Fall '16
- Marcos Enriquez