SOLUTION: there are 15 teachers; 11 are women and 4 are men. Two are selected at random to meet the governor. What is the probability that both are the same gender?
Algebra ->
Probability-and-statistics
-> SOLUTION: there are 15 teachers; 11 are women and 4 are men. Two are selected at random to meet the governor. What is the probability that both are the same gender?
Log On
Question 663335: there are 15 teachers; 11 are women and 4 are men. Two are selected at random to meet the governor. What is the probability that both are the same gender? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! there are 15 teachers; 11 are women and 4 are men. Two are selected at random to meet the governor. What is the probability that both are the same gender?
-------
# of ways to succeed: 11C2 + 4C2 = 55+6 = 61
---
# of possible outcomes: 15C2 = 105
----
P(2 men or 2 women) = 61/105
=============================
Cheers,
Stan H.
(