Mathematics, 09.06.2021 03:10, coolaadhya123

In a certain city, the rate at which multiple births occur is 1 set of multiple births per 150,000 inhabitants (per month). A particular city has 450,000 inhabitants. (a) Find the probability that there will be at least 4 sets of multiple births in the city in a given month. (b) What is the probability that there will be exactly one month during the year in which the city will have at least 4 sets of multiple births?

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In a certain city, the rate at which multiple births occur is 1 set of multiple births per 150,000 i...