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

The list of all possible outcomes of an experiment is the

Question 3 of 10

The probability of an impossible event is

Question 4 of 10

If P(rain) = 0.3, then P(no rain) is

Question 5 of 10

Which event is certain?

Question 6 of 10

Experimental probability is found from

Question 7 of 10

A drawing pin was dropped 20 times and landed point up 4 times. The experimental probability of landing point up, as a fraction in its lowest terms, is ___.

Question 8 of 10

The probability of an event can be 1.5.

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 5. (c) Find the probability that the total is greater than 5.

Question 10 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.