Math, asked by raju2297, 1 year ago

12 defective pens are accidentally mixed with 132 goods 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 not . determine the probability that the pen taken out is a good one.

raju2297: full solution

Answers

Answered by sweety189002433

Probability that the pen taken out is good one is 11/12

raju2297: full solution

raju2297: plz

sweety189002433: total pens along with defective pens is 144 and good pens in total pens is 132. probability that the taken pen is good one is 132/144

raju2297: explain step ways

raju2297: plz

sweety189002433: total pens = 132+12. no. of good pens in total =132. probability = good pens/ total pens =132/144. after dividing final answer is 11/12

Answered by Anonymous

Answer:

hey mate here is your answer....

Step-by-step explanation:

➡️ Total number of favorable outcome = 20

➡️ Number of favorable outcomes = 4

➡️ Hence P (getting a defective bulb) = 4 / 20 = 1 / 5

Hope it helps!☺️

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