A lot consists of 144 ball pens of which 20 ae defective and the others are good. Tanu 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. The probability that she will buy that pen is
Answers
Answered by
1
here is your answer!
hope it helps you ♡´･ᴗ･`♡
Attachments:
Answered by
0
Step-by-step explanation:
Total number of ball pens = 144
Number of defective ball pens = 20
Number of good ball pens = 144 - 20 = 124
(i) Probability that she will buy it = Number of possible outcomes/Total number of favourable outcomes
= 124/144
= 31/36
(ii) Probability that she will not buy it = Number of possible outcomes/Total number of favourable outcomes
= 20/144
= 5/36
HOPE THIS HELPS YOU
Similar questions