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QUESTION 311. The expected number of heads in 150 tosses of an unbiased coin is:a.25b.50c.75d.90e.None of the above0.5 points QUESTION 321. If the random variable X is normally distributed with a mean of 60 and a variance of 100, thenP(X > 66) is:a.0.27b.0.49c.0.69d.0.89e.None of the above0.5 points QUESTION 331. If E(X2) is 14 and the standard […]