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October 21, 2014

October 21, 2014

Posted by **DLCS** on Saturday, June 30, 2012 at 11:06am.

Eight people were asked how many immediate family members they have. The results were (5, 2, 4, 4, 3, 6, 7, 7). If one of the eight people were selected at random, what is the change of selecting an even number or less than 4

- Probability -
**MathMate**, Monday, July 2, 2012 at 11:51amP(A∪B)=0.71

P(A)=0.3

P(A∩B)=0.19

The visual way to solve this problem is to draw a Venn diagram and fill in the respective probabilities.

If you prefer to solve it mathematically, use:

P(A∪B)=P(A)+P(B)-P(A∩B)

- Probability -
**ken**, Wednesday, June 19, 2013 at 7:24pm60

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