Seven unbiased coins are tossed simultaneously at random. Find the probability of getting
at most two tails

Seven unbiased coins are tossed simultaneously at random. Find the probability of getting at least two tails.

Seven unbiased coins are tossed simultaneously at random. Find the probability of getting exactly two tails.

Three unbiased coins are are tossed simultaneously. Find the probability of getting at must two heads.

Three unbiased coins are tossed simultaneously Find the probability of getting one tail.

Three unbiased coins are tossed simultaneously Find the probability of getting at most one head

Three unbiased coins are are tossed simultaneously. Find the probability of getting at least two heads.

Two coins are tossed simultaneously . Find the probability of getting at least one tail.

two unbiased coins are tossed simultaneously find the probability of getting at least one head