SOLUTION: A researcher wants to conduct a genetic study using 12 randomly-selected volunteers. He has a group of 24 volunteers to choose from. 12 are males and 12 are females. What is the pr
Algebra ->
Probability-and-statistics
-> SOLUTION: A researcher wants to conduct a genetic study using 12 randomly-selected volunteers. He has a group of 24 volunteers to choose from. 12 are males and 12 are females. What is the pr
Log On
Question 804859: A researcher wants to conduct a genetic study using 12 randomly-selected volunteers. He has a group of 24 volunteers to choose from. 12 are males and 12 are females. What is the probability that the randomly-selected group will be all male OR all female? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A researcher wants to conduct a genetic study using 12 randomly-selected volunteers. He has a group of 24 volunteers to choose from. 12 are males and 12 are females. What is the probability that the randomly-selected group will be all male OR all female?
------
# of ways to succeed:: 12C12 + 12C12 = 2
----
# of possible groups of 12:: 24C2 = 276
----
P(all male or all female) = 2/276 = 1/138
=========================
Cheers,
Stan H.
==========================
(