Political analysts estimate the probability that Hillary Clinton will run for president in 2008 is 45%, and the probability that NY's Governor George Pataki will run as the Republican candidate is 20%. If their political decisions are independent, then what is the probability that only Hillary runs for president?
A) 25%
B) 9%
C) 36%
D) 11%
E) 45%

Question

Quizplus · Accepted Answer

The probability that only Hillary runs is the probability that Hillary runs and George does not run. This is calculated as 0.45 * (1 - 0.20) = 0.45 * 0.80 = 0.36 or 36%.

Political Analysts Estimate the Probability That Hillary Clinton Will Run