[3](a)Two fair six-sided dice are rolled and their scores added. Calculate the probability that the total is 7.

[3](a)A bag contains 5 red and 3 blue counters. Two counters are drawn without replacement. Calculate the probability that both are red.

[2](a)A bag has 5 red and 3 blue counters. Two are drawn WITH replacement. Calculate the probability both are red.

[3](a)A fair coin is tossed twice. Calculate the probability of getting at least one head.

[2](a)Two fair dice are rolled. Calculate the probability that both show the same number.

[3](a)A bag has 4 red and 6 green counters. One counter is drawn, its colour noted, and NOT replaced. A second is drawn. Calculate the probability that both are green.

[2](a)The probability a student passes a test is 0.7. For two independent students, calculate the probability both pass.

[3](a)Using the same information, calculate the probability that exactly one of the two students passes.

[2](a)Draw or describe a possibility space diagram for rolling two fair dice, and state the total number of outcomes.

[2](a)Two fair dice are rolled and their scores added. Calculate the probability that the total is less than 5.