Question

Blocks numbered 0-9 are placed in a box and a black is randomly picked the probability of picking an odd prime number is

Answer 1

Explanation:

`B_n = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9\\B_p = 2, 3, 5, 7\\B_(o_p) = 3, 5, 7\\`

There are 3 odd primes, namely : 3, 5, 7

The total amount of blocks is 9

The odds of picking and odd prime is
`(3)/(9) \cdot 100\% = 33,(3)\%`