We flip a fair coin 10 times. What is the probability that we get heads in at least 6 of the 10 flips?
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
(10 nCr 6 + 10 nCr 7 + 10 nCr 8 + 10 nCr 9 + 10 nCr 10) / 2^10 =193 / 512
+273 
