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10. 12 defective pens are accidentally mixed with 132 good ones. It is not possible to just
look at a pen and tell whether or not it is defective. One pen is taken out at random from
this lot. Determine the probability that the pen taken out is a good one.
Answers
Answered by
1
Answer:
good pens =132
defective =12
total =144
p(getting good pen) =12/144=1/12
Hope it helps....
Answered by
0
Step-by-step explanation:
Total pens=132+12=144
Good pens=132
probability of good pens=132/14=11/12
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