There are 50 reports to be read. Ten are to be chosen for today’s work. How...

There are 50 reports to be read. Ten are to be chosen for today’s work.
1. How many different possibilities are there for choosing the reports?
2. If 5 of the 50 reports are important, what is the probability that at least 1 important report is read?
3. What is the probability of no more than 1 important report to be read?
4. Using the previous two results, what is the probability of exactly 1 report being read?

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orchestra answered 11 months ago

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