Question

Slot contains 144 ball pens out of which 12are defective what is the probability to ge
t a good pen step by step
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Answer 1

hey..

Total no.of possible outcomes = 144 + 12 = 156

No.of favourable outcomes = 144

P (E) = no.of favourable outcomes / total no.of possible outcomes

P (G) = 144/156

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Answer 2

Step-by-step explanation:

ans. slot contains defective probability to ge a good 144+12=156