Question: After teaching 1 full year (Fall, Winter, Spring, Summer I, Summer II) at ELAC, Mr. Huang found out there were 100 students to take the

After teaching 1 full year (Fall, Winter, Spring, Summer I, Summer II) at ELAC, Mr. Huang found out there were 100 students to take the withdraw per year. a) What is the probability that at most 2 students withdraw at coming semester?

b) What is the mean and standard deviation?

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