Question

16. 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
dona
ne bih
​

Answer 1

Answer:

12/132

Step-by-step explanation:

See,

Probability is found out by the number of total things divided by the fraction of the different ones,

Therefore,

12/13 = 0.9

Answer 2

Answer:

The probability is 6/7