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Mathematics 8 Online
OpenStudy (anonymous):

WILL GIVE MEDAL FOR HELP A student throws 3 coins in the air. Find the probability that exactly 1 lands on heads, given that at least 1 lands on tails.

OpenStudy (anonymous):

we can flip 3 times, but can have only one heads.

OpenStudy (anonymous):

correct

OpenStudy (anonymous):

hold on

OpenStudy (anonymous):

alright

OpenStudy (anonymous):

so we have 3 coins

OpenStudy (anonymous):

List out ways to flip 1 head and 2 tails HTT THT TTH

OpenStudy (anonymous):

ive gotten that far already

OpenStudy (anonymous):

we can get 8 total combinations for 3 coin tosses

OpenStudy (anonymous):

alright

OpenStudy (anonymous):

so 3/8 would be your answer

OpenStudy (anonymous):

Thanks! helped a lot

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