Question

i) A box has 8 fountain pens, 3 blue pencils, and 7 red pencils. One item is taken out of the box at random. Find the probability that the item is a pencil.
ii)The given numbers are written on different tokens and put in an urn,8, 1, 2, 4, 3, 11, 17, 12, 7, 6, 13, 5, 14, 9 i)Find the probability of getting an odd number. ii) Find the probability of getting a prime number.

Answer 1

Answer:

i) [probability of pencil] =10/18

ii) -

i) [probability of getting an odd number] =8/15

ii)[probability of getting a prime number] =6/15