a lot consists 144 ball pens of which 20 are defective and the 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 she will buy it?,she will not buy it?
Answers
Answered by
19
Good pens =124
Defective pens =20
P(she will buy it)=124/144
=31/36
P(she will not buy it)=20/144
=5/36
Defective pens =20
P(she will buy it)=124/144
=31/36
P(she will not buy it)=20/144
=5/36
Similar questions