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It Is Reported That 7% of the Super Star Scratch-And-Win

Question 102

Multiple Choice

It is reported that 7% of the Super Star scratch-and-win lottery tickets are winners.If you scratch 250 tickets what is the variance of the random variable "number of winners"?


A) 12.5
B) 11.9
C) 16.3
D) 14.8
E) 9.9

Correct Answer:

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