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1. Find the probability of tossing a coin four times and obtaining a head every time. 2. Find the probability of rolling a sum of 11 with two dice. 3. Find the probability of drawing four aces and a queen from a standard deck of 52 cards. 4. In 1995 there were 2.6 million high school graduates, of which 1.2 million were male. If a 1995 high school graduate is selected at random, estimate the probability that this graduate is female. (Source: The American Testing Program.)
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