Probability
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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?