Find the probability that a person flipping a coin gets (a) the fifth head on the seventh flip, and (b) the first head on the fifth flip.

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**Coin Flip Probability Problem**

Find the probability that a person flipping a coin gets:
(a) the fifth head on the seventh flip,
(b) the first head on the fifth flip.

This exercise involves using probability to analyze outcomes of sequential coin flips. Let’s break each part down:

### Part (a): Fifth Head on the Seventh Flip
To achieve the fifth head on the seventh flip, it implies there must be exactly four heads in the first six flips, followed by a head on the seventh flip. This is a classic problem of probability involving combinations and specific outcomes.

### Part (b): First Head on the Fifth Flip
This scenario requires obtaining tails in the first four flips, and a head on the fifth. It's an illustration of sequential independent events in probability, where the first specified event happens at a particular stage.

Each part of the problem can be approached with the binomial probability formula or geometric probability concepts, tailored to these specific sequential settings.
Transcribed Image Text:**Coin Flip Probability Problem** Find the probability that a person flipping a coin gets: (a) the fifth head on the seventh flip, (b) the first head on the fifth flip. This exercise involves using probability to analyze outcomes of sequential coin flips. Let’s break each part down: ### Part (a): Fifth Head on the Seventh Flip To achieve the fifth head on the seventh flip, it implies there must be exactly four heads in the first six flips, followed by a head on the seventh flip. This is a classic problem of probability involving combinations and specific outcomes. ### Part (b): First Head on the Fifth Flip This scenario requires obtaining tails in the first four flips, and a head on the fifth. It's an illustration of sequential independent events in probability, where the first specified event happens at a particular stage. Each part of the problem can be approached with the binomial probability formula or geometric probability concepts, tailored to these specific sequential settings.
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