Problema Solution
A bag contains 3 red marbles 4 blue marble and 2 black marbles. One marble is chosen at random. What is the probability that the marble is red?
Answer provided by our tutors
P(the chosen marble is red) = 3/(3 + 4 + 2)
P(the chosen marble is red) = 3/9
P(the chosen marble is red) = 1/3
P(the chosen marble is red) = 0.333