Question

A lot consist of 144 ball pens of which 20 are defective and others are good. Nuri will buy a pen if it is good but will not buy if it is defective. The shopkeeper draws one pen at random and gives it to her. What is the probability that:
1. She will buy it.
2. She will not buy it. ​

Answer 1

Answer:

1.124/144

2.20/144

Step-by-step explanation:

1.144-20 for good pens

=124

2.for defective pens

=20/144

hope it helps