3. In how many ways can a coin be flipped 4 times in a row with at least two consecutive flips resulting in heads?
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To solve this, we can use the concept of complementary counting. We will find the total number of ways to flip a coin 4 times in a row and subtract the number of ways where there are no consecutive heads. Total number of ways to flip a coin 4 times = 2^4 = 16 Show more…
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