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I was looking to get help with this problem? I don't understand the solution. Is that possible? What are the odds of getting heads 7 times in a row in 40 tries of flipping a coin?

I am new, I understand the problem is random, or once one success is picked that success is put back in and the next success come from the same amount of tries. I get really lost when it comes to factorials and recursion. I am so far off that I was looking in mathematical induction. I found an interesting lesson in natural numbers and polynomials that could be helpful but I was wondering what other people thought of the problem and if they knew a better way from me to get to a solution that I understand.

Benp404
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    Welcome to math.SE. Please see https://math.meta.stackexchange.com/questions/588/how-can-i-ask-a-good-question for information on how to attract quality answers. – mlc Apr 27 '17 at 20:49
  • It might be constructive to take this problem as a motivation to learn "factorials and recursion" because such topics come into play in solving the problem you want help with. Sometimes a solution can be broken into "bite-sized" pieces, but it is a fact of life in mathematics that simply stated problems will often lead us into exploring new concepts and tools of analysis. – hardmath Apr 28 '17 at 02:22
  • I found a precalculus class online at Coursera. Taking a step back and exploring the challenges in this class have been more about sets, quadratics, coefficients, polynomials, and completing the square to this point. 'll be a while before I come across recursion and factorials. Thanks for the reply! I hope to give an answer to the coin toss problem with great detail someday! – Benp404 Apr 29 '17 at 10:40

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