# What is the posterior probability of some given a

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12) What is the posterior probability of some, given a medium reading?A)0.7281B)0.8318C)0.6877D)0.9117
13) What is the posterior probability of much, given a medium reading?
The following information is used for questions 14, 15, 16, 17, and 18:A box contains 8 green and 3 red marbles.If the drawing of marbles is done with replacement,determine the probability of:14) drawing three red marbles.
15) drawing a green marble on the first draw and a red marble on the second draw.
QBM101Business StatisticsSeptember 2021 SemesterRe-Sit Quiz 2Page 5C)0.1735D)0.227916) drawing a green marble on the second draw given that a red marble was drawn on the firstdraw.A)0.6852B)0.7892C)0.7273D)0.5964
17) drawing a red marble on the second draw given that a green marble was drawn on the firstdraw.
18)drawing a red marble on the second draw given that a red marble was drawn on the first draw
The following information is used for questions 19, 20:Let X be a random variable with the following probability distributionX12P(x)0.30.40.119) E(X) =340.2
20) Var(X) =A)1.16B)2.25C)3.16D)2.87
QBM101Business StatisticsSeptember 2021 SemesterRe-Sit Quiz 2Page 621) Probabilities for all the possible values of a discrete random variable

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Tags
Probability distribution, Probability theory, Discrete probability distribution, events Jack