Question

A box contains 4 red, 5 blue and 6 green balls of identical size. Two balls are
drawn at random. The probability that one is blue and the other is green is​

Answer 1

Answer:

total favourable outcome =15

for blue one,

let the event be A

P(A)=5/15

P(A)=1/3

for green one,

let the event be B

P(B)=6/15

P(B)=6/15