IIT JAM
Sutanuka ghosh Asked a Question
September 30, 2020 11:04 ampts 30 pts
  • IIT JAM
  • Mathematical Statistics (MS)

This seems like a simple question but i can't really solve it. help!

A company has 12 Maruti and 8 Honda cars. Let five of these cars are in workshop for repairs. Suppose X is the random variable denoting number of Maruti cars under repair. Determine the probability that at least three of them are under repair. Using the definition, determine the expected value of E(X(X -1).
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