Question

There are 3 short questions on math test. for each question, 1 mark will be awarded for a correct answer and no mark for wrong answer. if the probability that mary correctly answers a question in a test is 2/3, determine the probability that mary correctly answers a question test is 2/3, determine the probability the probability that nary gets 2 marks in the test.

Answer 1

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.

2/3 * 2/3 * 1/3 = ?

Answer 2

4/27