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December 20, 2014

December 20, 2014

Posted by **Salina** on Sunday, March 10, 2013 at 3:42pm.

A)if the wheel is spun twice what is the probability that the ball lands on red and green in any order

B)if the wheel is spun twice calculate the probability that it lands on black at least once.

- Stats -
**Dr. Jane**, Sunday, March 10, 2013 at 6:34pm18/38 times 2/38

Black at least once is the opposite of never black..

20/38 times 20/38 subtract this answer from 1 to get at least once for black.

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