Determine probability that two or fewer will withdraw course

Assignment Help Basic Statistics

Reference no: EM13110513

The university has found that 20% of its students withdraw without completing introductory statistics course. Suppose that 20 students have registered for course this semester.

a) Determine the probability that two or fewer will withdraw?
b) Determine the probability that exactly four will withdraw?
c) Determine the probability that more than three will withdraw?
d) Determine the expected number of withdrawals?
e) Determine the variance and standard deviation.

Reference no: EM13110513

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