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Question: plase show me how to do this one i kind...

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7. Assume that each time that I commute to Davis, the probability I see a police officer on any given day is 0.85. If I commute 7 days a week, solve the following problems: (a) Find the probability I see a police officer on exactly 4 of the days I commute. b) Find the probability I see a police officer on at most 5 of the days I commute. (c) The expected number of days I see a police officer. (d) If I see a police officer on 3 of the days I commute, what is the probability that I see 2 more?

Plase show me how to do this one! I kind of know how to do it but it is really confusing. Thank you so much!

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