SOLUTION: Jar A has 4 red chips and 6 black chips. Jar B has 5 red chips and 5 black chips. One chip is selected from each jar. What is the probability that both chips will be of the same co

Algebra ->  Probability-and-statistics -> SOLUTION: Jar A has 4 red chips and 6 black chips. Jar B has 5 red chips and 5 black chips. One chip is selected from each jar. What is the probability that both chips will be of the same co      Log On


   



Question 322077: Jar A has 4 red chips and 6 black chips. Jar B has 5 red chips and 5 black chips. One chip is selected from each jar. What is the probability that both chips will be of the same color?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Red: Jar 1
P(R)=4/10
Red: Jar 2
P(R)=5/10
P(both R)=(4/10)(5/10)=20/100
.
.
Blue: Jar 1
P(B)=6/10
Blue: Jar 2
P(B)=5/10
P(both B)=(6/10)(5/10)=30/100
.
.
P(both same color)=P(both R) OR P(both B)
P(both same color)=P(both R)+P(both B)
P(both same color)=20/100+30/100=50/100=1/2