Question: Michael has noticed that during every given minute, there is a 1/720 chance that his Twitter account will get a like, independently of what happens

Michael has noticed that during every given minute, there is a 1/720 chance that his Twitter account will get a "like", independently of what happens during any other minute. (a) What is the expected amount of time that it takes for Michael to get 5 likes? (b) Let X be the total number of likes that Michael receives during a 24 hour period. What is P[X 2]?

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