Seven unbiased coins are tossed 128 times. In how many throws would you find at least three heads?

Seven unbaised coins are tossed 128 times, In how many throws would you find at least three heads?

Three unbiased coins are tossed together . What is the probability of getting at least one head ?

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

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

Three unbiased coins are tossed. What is the probability of getting at least 2 heads?

Ten unbiased coins are thrown simultaneously. The probability of getting at least seven heads is

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

Three unbiased coins are tossed. Find the probability of getting atleast two heads.

Three unbiased coins are tossed simultaneously. Find the probability of getting (i) exactly two heads, (ii) at least two heads, (iii) at most 2 heads.

Three unbiased coins are tossed. What is the probability of getting atleast 2 heads?