Math, asked by samreen499, 1 year ago

A box contains 90 discs which are numbered from 2 to 91.If one disc is drawn at random from the box .Find probability that it bears prime number less than 23

Answers

Answered by foil

0

let PRIME NUMBERS LESS THAN 23 ARE 3 ,5,7,11,13,17,19
SO FAVOURABLE CASES =7
THERE PROBABILITY OF PRIME NUMBERS LESS THAN 23 =7÷90

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