Posted by Priya on Monday, July 7, 2008 at 1:36am.
The population of the three species is shown below.
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 12:07pm
Eitheror 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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