Question

A box contains 90 discs which are numbered from 1 to 90. If one disc

is drawn at random from the box, find the probability that it bears.

iii) a prime number less than 15​

Answer 1

Answer:

Prime number less than 23, are 1,2,3,5,7,11,13,17,19=8 number of possible outcomes

A box contains 90 discs, numbered from 1 to 90.

If one disc is drawn at random from the box, the probability that it bears a prime number less than 23, is

P= 8/90 = 4/45.

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