November 28, 2015

Homework Help: statistics

Posted by Anonymous on Monday, February 28, 2011 at 6:40am.

Susan is taking Western Civilization this semester on a pass/fail basis. The department teaching the course has a history of passing 77% of the students in Western Civilization each term. Let represent the number of times a student takes Western Civilization until the first passing grade is received? (Assume the trials are independent.) a. Write out a formula for the probability distribution of the random variable.

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