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Each day I wear a black shirt with probability 0.5, a red shirt with probability 0.4...

Each day I wear a black shirt with probability 0.5, a red shirt with probability 0.4 and a blue shirt with probability 0.1.

1. What is the probability that over the next 10 days I choose a black shirt 5 times, a red shirt 4 times and a blue shirt 1 time?

2. What is the probability that over the next 10 days I wear a black shirt exactly 9 times?

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Answer #1

Quet blBlack)= + =0.5, þ (Red) = B=0.4, +(Blue)=B- Qad Plo(Black): ne, n(Red)= n2, n(Blue):13) - (mit 0224 033)! (0.5) (0.92

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