Name:___________________________________

3) Find the . standard deviation. of the binomial random variable. On a 10-question multiple choice test, each question has four possible answers, one of which is correct. For students who guess at all answers, find the standard deviation for the random variable X, the number of correct answers. A) 1.369. B) 1.875 C) 2.045 D) 1.972 E) 1.684. 4 ... ................
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