in a bag,there are 40 pens .30 are blue pens and 10 red .in another bag,there are so pens.25 are blue pens and 5 red pens.one pen is drawn from each bag.
a) in how many way,the 2 pens can be taken?
b) what is the probability of both being blue pen?
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Answered by
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Answer:
B is answer in options welcome
Answered by
1
Step-by-step explanation:
- a) different ways to take the pen =40×30 (total number of pens) =1200 pairs
- b) (calculate the products of blue pens from each bag) =30×25=750
probability of blue pens=750/1200
=75/120=25/40
=5/8
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