A math teacher is setting a test for the class next week. The Probability that the test will be on Monday is 10%, Tuesday is 20%, Wednesday is 45% and Thursday is 15% What is the probability that the test will be on Friday?

There are 5 red roses, 3 yellow roses, and 8 white roses in a tray. What is the probability of picking a white rose or a red rose?

A die is rolled. What is the probability of rolling a 5 or a number greater than 3?

A bag contains 5 red marbles, 4 blue marbles and 5 yellow marbles. You randomly pick a marble. What is the probability that the marble is red or blue?

A jar contains 9 balls, numbered from one to nine. You randomly pick a ball. What is the probability that you select a one or a six?

A litter of kittens consists of 1 gray female, 2 gray males, 2 black females and 2 black males. You can randomly pick a kitten. What is the probability that the kitten is black and female?

A box of chocolates contains 3 milk chocolates, 5 dark chocolates and 4 white chocolates. You randomly select a chocolate. What is the probability that it is a milk chocolate or dark chocolate?