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## Statistics

describe probability using multinomial distribution.

A college student is taking five courses in a semester. He is willing to presume that he will get an A with probability 0.1 a B with probability 0.8 and a C with probability 0.1 in each of the courses. He describes X1, X2 and X3 to be the number of A's, B's and C's correspondingly that he gets in the semester. For this multinomial variable situation find-

1) describe the probability that the student gets all B's.

2) describe the probability that the student gets 2 A's and 3 B's in the semester.

3) describe the probability that he gets no C's in the semester.

Statistics and Probability, Statistics

• Category:- Statistics and Probability
• Reference No.:- M920238

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