calculate the probability of exactly 3 successes in 4 tries. p=0.27 1-p= 0.73 n=4 k=3

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Q: calculate the probability of exactly 2 successes in 4 tries. p=0.27 1-p= 0.73 n=4 k=2

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Q: calculate the probability of exactly 1 success in 4 tries. p=0.27 1-p= 0.73 n=4 k=1

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