Math, asked by ashutoshto2005, 11 months ago

PLS STEP BY STEP. .
Q34
tommorow is my exm :D

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Answers

Answered by devarora999

1

Step-by-step explanation:

P(Got passing marks)=23+20/80

=43/80

P(Failed)=18+19/80

=37/80

P(Below 21 marks)=18/80

Hope it's correct

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