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We flip a fair coin 10 times. What is the probability that we get heads in at least 6 of the 10 flips?

 Aug 18, 2020
 #1
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There's a similar question here that has an equation you can plug your values into:

 

https://web2.0calc.com/questions/we-flip-a-fair-coin-10-times-what-is-the-probability-that-we-get-heads-in-at-least-8-of-the-10-flips

 Aug 18, 2020
 #2
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(10 nCr 6 + 10 nCr 7 + 10 nCr 8 + 10 nCr 9 + 10 nCr 10) / 2^10 =193 / 512

 Aug 18, 2020

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