Question

you accidentally dropped a coin from the top of 12 stairs. what is the probability that it will land on the tenth step,heads up?

Answer 1

hmm , doesn't matter where you drop a coin, the probability it lands heads up is 1/2

Answer 2

what does it says on it?

Answer 3

is dat 5/12

Answer 4

oh i see now...yes that is 5/12 and it is correct

Answer 5

r u sure??

Answer 6

prob coin lands on 10th step = 10/12
prob lands heads = 1/2

multiply 2 independent event: (10/12)(1/2) = 5/12