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January 31, 2015

January 31, 2015

Posted by **Looking for someone to check my answer** on Tuesday, March 16, 2010 at 4:50pm.

The table below shows the drinking habits of adult men and women.

Men Women Total

Non-Drinker 387 421 808

Occasional Drinker 45 46 91

Regular Drinker 90 69 159

Heavy Drinker 37 34 71

Total 559 570 1129

If one of the 1,129 people is randomly chosen, what is the probability that the person is a man or a heavy drinker? Round your answer to 3 decimal places.

My answer:

P(man or a heavy drinker) = P(man) + P(heavy drinker)

= (559/1129) + (37/1129)

= 596/1129

= .528

- statistics -
**PsyDAG**, Wednesday, March 17, 2010 at 1:37pmDo you want to include those that are

*both*heavy drinkers and men in your either-or answer?

(559/1129) + (37/1129) - (90/1129) = ?

I hope this helps.

- statistics -
**teressa**, Monday, May 31, 2010 at 2:49pm(559/1129) + (37/1129) - (90/1129) = ?

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