Two dice are thrown simultaneously. The probability of obtaining a total score of 5 is

1) 1/9 2) 1/18 3) 1/36 4) 1/12  

Question 7 Suppose that 5 independent trials, each of which results in any of the outcomes 0, 1, or 2, with respective probabilities 0.3, 0.5, and 0.2, are performed. Find the probability that both outcome 1 and outcome 2 occur at least once. (Hint: Consider the complementary probability.)

Find the probability that a leap year has 52 Sundays.

Three unbiased coins are tossed. What is the probability of getting at most two heads?