1. 10 defective pens are accidentally mixed with 90 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 taking out is a good one.
Answers
Answered by
0
Answer:
Total Pens = 90+10=100
probability that the pen is good one = 90/100 =9/10
Answered by
0
Answer:
the probability of a good pen in 90 %
Step-by-step explanation:
cause there are 10 defective and 90 good one 10 +90 = 100
probability of good one = 90 of 100
= 90 %
Similar questions