SOLUTION: A basket contains five apples and seven peaches. Four of the apples and two of the peaches are rotten. You randomly pick a piece of fruit. It is fresh or it is an apple. Find the p

Algebra ->  Probability-and-statistics -> SOLUTION: A basket contains five apples and seven peaches. Four of the apples and two of the peaches are rotten. You randomly pick a piece of fruit. It is fresh or it is an apple. Find the p      Log On


   

Question 1090455: A basket contains five apples and seven peaches. Four of the apples and two of the peaches are rotten. You randomly pick a piece of fruit. It is fresh or it is an apple. Find the probability of this occuring.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
5 apples
1 fresh apple
4 rotten apples
.
.
.
7 peaches
5 fresh peaches
2 rotten peaches
.
.
.
Look at all of the possible choices:
Fresh apple:1/12
Rotten apple:4/12
Fresh peach:5/12
Rotten peach:2/12
.
.
P%28F_or_A%29=P%28F%29%2BP%28A%29-P%28F_and_A%29
P%28F_or_A%29=%28%281%2B5%29%29%2F12%2B5%2F12-1%2F12
P%28F_or_A%29=10%2F12
P%28F_or_A%29=5%2F6