Please type your question here If five fair coins are simult

Please type your question here: If five fair coins are simultaneously tossed in the air, what is the probability that at least one will land heads up?

Solution

Note that

P(at least one head) = 1 - P(no heads appear)

= 1 - (1/2)^5

= 31/32 or 0.96875 [answer]