Posted by **kitkat** on Wednesday, January 19, 2011 at 6:20pm.

In a population of 328 snakes at a zoo, it is known that 162 are female. A scientist selected 50 snakes at random to run some tests. What is the probability that the scientist will select at least 30 female snakes?

- math 12 -
**hn**, Wednesday, June 29, 2016 at 2:13pm
need help

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