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STAT 200 FINAL EXAM 1 ( Latest Complete Solutions with shown working) Graded A
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STAT 200 FINAL EXAM 1 ( Latest Complete Solutions with shown working) Graded A>1.True or False. Justify for full credit. (a) If the variance of a data set is zero, then all the observations in this data set are zero. No, all the observations will be same but it is not necessary that all the observations will be zero, because if all the observations are same even then the variance will be zero. (b) If P(A) = 0.4 , P(B) = 0.5, and A and B are disjoint, then P(A AND B) = 0.9. No, because if A and B are disjoint then P(A AND B) = 0. (c) Assume X follows a continuous distribution which is symmetric about 0. If . Yes, P(X<-3) will be less than 0.3 because the value will be towards negative side.
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University Of Maryland - Baltimore
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STAT 200 (STAT200)
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- Written in
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latest complete solutions with shown working
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f the variance of a data set is zero
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stat 200 final exam 1 latest complete solutions with shown worki
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