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Compute the Mean and Standard Deviation of a Binomial Random

Question 49

Multiple Choice

Compute the Mean and Standard Deviation of a Binomial Random Variable
-The probability that an individual has 20-20 vision is 0.17. In a class of 80 students, what is the mean and standard deviation of the number with 20-20 vision in the class


A) mean: 13.6; standard deviation: 3.3597619
B) mean: 80; standard deviation: 3.3597619
C) mean: 13.6; standard deviation: 3.68781778
D) mean: 80; standard deviation: 3.68781778

Correct Answer:

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