Posted by **Looking for someone to check my answer** on Tuesday, March 16, 2010 at 4:45pm.

Question:

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 1,129

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

My answer:

P(regular drinker or heavy drinker) = P(regular drinker) + P(heavy drinker)

= (159/1129) + (71/1129)

= 230/1129

= .204

- statistics -
**Reiny**, Tuesday, March 16, 2010 at 4:52pm
I agree

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