18 defective pens are accidentally mixed with 12 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, the probability that the pen is taken out is a good one is
Answers
Answered by
0
Answer:
1/30
Step-by-step explanation:
Because there were 12 good pens and 18 defective ones. Which means that there are 30 pens in total. So, the probability of getting a good pen is 1/30.
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Answered by
0
Answer:
3 in 5
Step-by-step explanation:
There a total of 30 pens and 12 are in the usable state so the probability should be pens good/total pens= 12/30 which is 3/5.
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