SOLUTION: A math teacher is randomly distributing 15 rulers with centimeter labels and 10 rulers without centimeters labels.What is the probability that the first ruler she hands out will ha

Algebra ->  Probability-and-statistics -> SOLUTION: A math teacher is randomly distributing 15 rulers with centimeter labels and 10 rulers without centimeters labels.What is the probability that the first ruler she hands out will ha      Log On


   

Question 430360: A math teacher is randomly distributing 15 rulers with centimeter labels and 10 rulers without centimeters labels.What is the probability that the first ruler she hands out will have centimeter labels and the second ruler will not have labels?
Found 2 solutions by stanbon, rfer:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A math teacher is randomly distributing 15 rulers with centimeter labels and 10 rulers without centimeters labels.What is the probability that the first ruler she hands out will have centimeter labels and the second ruler will not have
? labels.
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A word is missing from your post.
Cheers,
Stan H.

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
15/25*10/24
3/5*5/12=15/60=1/4=25%