Probability of Drawing a Marble

A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. If one marble is drawn at random from the bag, what is the probability that the marble drawn is either red or blue?

To find this probability, you can use the formula:

$$ P(E) = \f\frac{N(E)}{N(S)} $$

where:

• $$ P(E) $$ is the probability of the event.
• $$ N(E) $$ is the number of favorable outcomes.
• $$ N(S) $$ is the total number of possible outcomes.