Math, asked by EnchantedGirl, 1 year ago

pls answer the probability question

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Answered by akshat127
0
132/144
=11/13
P(good pen)=no of good pen/no of total pens
EnchantedGirl: but the answer is given as 11/12
akshat127: oops sorry i wrote 13 by mistake.... its 12
EnchantedGirl: ok
akshat127: no doubt why i make silly mistakes in maths
EnchantedGirl: how did you get 144
akshat127: 132+12
akshat127: ur doing this to find the total no of pens
EnchantedGirl: ok ..thanks
akshat127: and to find probability of a good pen u need to divide 132/total pens
Answered by prakhar73
0
P(good pen) = number of good pen/ total pens=132/144=11/12
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