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multiple choice questions 1-5, thanks Question 1 (1 point) Let 2 be a standard normal random variable. What is the probability that the absolute value

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multiple choice questions 1-5, thanks

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Question 1 (1 point) Let 2 be a standard normal random variable. What is the probability that the absolute value of z is at least 1.66? O a) 0.1212 O b) 0.0970 O c) 0.0614 Q d) 0.1470 C) e] 0.0784 Question 2 (1 point) Consider the following population probabilities x -432101234 plx) .02 .07 .10.15 .30 .18 .10 .06 .02 Let x1,..., xn be a random sample from this population. If n=50, then the sample mean has mean and standard error of the mean of: O a) 0 and 0.2425, respectively. O b} 0.01 and 0.2425, respectively. 0 c} 0.01 and 0.2711, respectively. Q d) 0 and 0.3834, respectively. 0 e) -0.01 and 0.2214, respectively. Question 3 (1 point) Suppose x is a normal random variable with u=3 and we have that P(x

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