A bank of 9 movies is chosen from for a movie marathon in which 3 movies will be played in a specific order. In how many different ways can the movies for the movie marathon be chosen

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A: Given: P(A)=0.25 P(A∪B)=0.77

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A: Let X be the random variable having probability mass function is,  X P(X)  0 0.05282 1 0.3495...

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Q: 10. In a class of 20 students, there äre 8 Boys. committee of 2 boys and 2 girls be formed? O 94

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Q: A bag contains 30 balls numbered from 1 to 30. One ball is drawn at random. Find the probability tha...

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Q: A blindfolded marksman finds that on the average he hits the target 4 times out 5. If he fires 4 sho...

A: X=number of hitsX~Binomal(n,p)where n=4    and    p=45=0.8probability mass function of X; P(X=x)=nx(...