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Discrete Probability Distributions (Binomial)

Discrete Probability Distributions (Binomial)

An archer hits a bull’s-eye with a probability of 0.09, and the results of different attempts can be taken to be independent of each other. If the archer shoots nine arrows, calculate the probability that: (a) Exactly two arrows score bull’s-eyes. (b) At least two arrows score bull’s-eyes. What is the expected number of bull’s-eyes scored?

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