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September 20, 2014

September 20, 2014

Posted by **Priya** on Monday, July 7, 2008 at 1:36am.

Species Population Male Female

Bullfrog 30% 60% 40%

SpringPeeper 50% 55% 45%

Mink Frog 20% 52% 48%

Determine the probability that the first two frogs captured are

a) bullfrogs b) female bullfrogs

c) females of any species

d) frogs that are not spring peepers

Then design a stimulation that will allow you to construct a probability distribution for the number of bull frogs in a sample of 30 frogs. Use it to predict the probability that the sample will have eight or more bullfrogs.

- Math -
**PsyDAG**, Monday, July 7, 2008 at 12:07pmEither-or probability is found by adding the individual probabilities. When you are concerned with the probability that all/both the events would occur, you multiply the individual probabilities.

I will demonstrate with b.

Probability of getting a female bullfrog is .3 * .4 = .12. For the second, it is the same, so the probablity for both is .12 * .12 = .0144.

This should get you started. I hope this helps. Thanks for asking.

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