Problem 1 (10 points). You make successive independent flips of a coin that lands on heads with probability $p$. What is the probability that the 4$^{th}$ heads appears on the 9$^{th}$ flip and the 7$^{th}$ heads appears on the 20$^{th}$ flip? Your answer should depend on $p$.
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Step 1: The probability of getting heads on a single flip is p. Show more…
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