Question

plzzz tell me answer it's urgent ​

Answer 1

Answer:

11/12

Step-by-step explanation:

Good pens = 132......n(A)

Defective = 12

n(S) = 144

Therefore

Let the event of pen be a good one be A

p(A) = n(A)/n(S)

= 132/144

= 11/12

Hope it helped you out.....

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Answer 2

Answer:

total no.of pens= total defective pens+ total good pens

=12+132=144

No.of good pens=132

P(getting a good pen) =no.of good pens/ total no.of pens= 132/144

=11/12.Answer