Probability and Statistics Assignment

An assignment covering probability theory and statistical analysis concepts.

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Probability and Statistics AssignmentPart 1 of 9-Question 1 of 251.0 PointsSuppose that a histogram of a data set is approximately symmetric and "bell shaped".Approximately what percent of the observations are within two standarddeviations of themean?A.68%B.50%C.95%D.99.7%Reset SelectionPart 2 of 9-Question 2 of 251.0 PointsIf A and B are any two events withP(A) = .8 andthenis:A.0.56B..24C.0.875D.0.14Reset SelectionQuestion 3 of 251.0 PointsThree cards are drawn from a deck withoutreplacement. What is the probability that all threecards are clubs?A.0.0129B.0.012C.0.25

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