A fair die has four faces numbered one to four. What is the probability of rolling a "three" exactly two times in five rolls of the die? Select one: 0.500 0.736 none of the others 0.264 1
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Step 1: Calculate the number of ways to choose exactly two rolls out of five to be a "three": This can be calculated using the combination formula: 5C2 = 5! / (2!(5-2)!) = 10 Show more…
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