The odds or probability of picking a red marble from a bag that contains 9 red marbles, 5 green marbles, and 6 purple marbles is 0.45 or 45%.
Probability refers to the chance, likelihood, or odds that an event occurs out of many possible events.
Probability is a value that ranges from 0 to 1, depending on the level of certainty.
The number of red marbles in the bag = 9
The number of green marbles in the bag = 5
The number of purple marbles in the bag = 6
The total number of marbles in the bag = 20 (9 + 5 + 6)
The probability of choosing or picking a red marble = 9/20 = 0.45 or 45%.