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July 31, 2014

July 31, 2014

Posted by **Louise** on Sunday, March 28, 2010 at 9:25pm.

Mid 12.5 17.5 25 35 42.5

P(X=x) .003 .100 .500 .300 .097

If we select a birth at random, what is the probability the mother is 19 years or younger?

- Biostatistics -
**PsyDAG**, Monday, March 29, 2010 at 9:57amI'm not sure what you mean by "P(X=x). If it is probability, add the probabilities for the two lower categories to indicate the probability that it is either (10-14) or (15-19).

Does "Mid" refer to median?

I hope this helps. If not, repost your question in clearer terms.

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