Probability

Question 1 of 10

A bag contains 6 red, 6 blue and 4 green balls. A ball is picked at random. Find the probability that it is red or green.

Question 2 of 10

A bag contains 6 red, 3 blue and 5 green balls. A ball is picked at random. Find the probability that it is red or green.

Question 3 of 10

Two fair dice are thrown and the scores are added. (a) Draw the sample space showing all possible totals. (b) Find the probability that the total is 10. (c) Find the probability that the total is greater than 10.

Question 4 of 10

Which event is certain?

Question 5 of 10

Two fair dice are thrown and the scores are added. (a) Draw the sample space showing all possible totals. (b) Find the probability that the total is 4. (c) Find the probability that the total is greater than 4.

Question 6 of 10

A bag contains 2 red, 6 blue and 6 green balls. A ball is picked at random. Find the probability that it is red.

Question 7 of 10

A bag contains 2 red, 6 blue and 3 green balls. A ball is picked at random. Find the probability that it is red.

Question 8 of 10

Probability is measured on a scale from

Question 9 of 10

Two fair dice are thrown and the scores are added. (a) Draw the sample space showing all possible totals. (b) Find the probability that the total is 7. (c) Find the probability that the total is greater than 7.

Question 10 of 10

A drawing pin was dropped 20 times and landed point up 12 times. The experimental probability of landing point up, as a fraction in its lowest terms, is ___.