Which of these events are equal? I say all of them, but not sure. a, A = {1,3} b. B = {x|x is a number on a die} c. C = {x|$\displaystyle x^{2} - 4x + 3 = 0$} d. D = {x|x is the number of heads when six coins are tossed}
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It's definitely not all of them. If you roll a die, what can you roll? If you toss a coin six times, how many heads is it possible to get?
I would say a and c are equal.
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