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There are 5 red and 3 green pens in a b...

There are 5 red and 3 green pens in a bag.There are 2 red and 6 green pens in another bag. A pen is picked up at random from one bag. Using the following instructions, find the probability that the pen piced up:
from one bag is red.
from another bag is red.
from either of the bags is red.

Text Solution

Verified by Experts

The correct Answer is:
`(5)/(8)`
`(1)/(4)`
`(7)/(16)`
For each bag find S and n(S).
For each bag find S and n(S) for red balls.
Using formula for probability, find answers for (a),(b), ( c).
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