A University found that 27% of its graduates have taken an introductory statistics course. Assume that...

A University found that 27% of its graduates have taken an introductory statistics course. Assume that a group of 15 graduates have been selected.

Compute the probability that from this group, there are exactly 2 graduates that have taken an introductory statistics course.
Compute the probability that from this group, there are at most 3 graduates that have taken an introductory statistics course.
Compute the probability that from this group, there are at least 4 graduates that have taken an introductory statistics course.
Compute the expected number, the variance and the standard deviation of graduates that have taken an introductory statistics course.

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orchestra answered 1 year ago

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