SOLUTION: ina scientific experiment,there are 8 guinea pigs,5 of which are pregnant. if 3 are selected at random without replacement,what is the probability that all are pregnant
Algebra ->
Probability-and-statistics
-> SOLUTION: ina scientific experiment,there are 8 guinea pigs,5 of which are pregnant. if 3 are selected at random without replacement,what is the probability that all are pregnant
Log On
Question 290423: ina scientific experiment,there are 8 guinea pigs,5 of which are pregnant. if 3 are selected at random without replacement,what is the probability that all are pregnant Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! in a scientific experiment, there are 8 guinea pigs,5 of which are pregnant. if 3 are selected at random without replacement, what is the probability that all are pregnant?
========
P(all pregnant) = 5C3/8C3 = (5*4*3)/(8*7*6) = 5/(2*7*2) = 5/28
-------------------
Cheers,
Stan H.
(