SOLUTION: A student pulls out ten marbles: three were red, two were blue, and five were green. In the next handful, the student pulls out seventy marbles. How many are expected to be red?

Algebra ->  Probability-and-statistics -> SOLUTION: A student pulls out ten marbles: three were red, two were blue, and five were green. In the next handful, the student pulls out seventy marbles. How many are expected to be red?       Log On


   

Question 1082740: A student pulls out ten marbles: three were red, two were blue, and five were green. In the next handful, the student pulls out seventy marbles. How many are expected to be red?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A student pulls out ten marbles: three were red, two were blue, and five were green. In the next handful, the student pulls out seventy marbles. How many are expected to be red?
------------
Red DATA:
sample red proportion :: 3/10
-------
Ans:: (3/10)70 = 21 red
--------------------
Cheers,
Stan H.
-------------