Question

A coin is tossed 3 times what is the probability of getting no head, at least one head, at most two heads?

Answer 1

Here is your answer in above attachment:-

》》We know that if xcoins tossed then2^x
Same as,
》》 3coins tossed then 2^3=8.

Hope you understand...☆☆

Answer 2

Answer:

The probability of no head is 7/8/

Step-by-step explanation:

P(no head) = 1 - P(TTTT)  because TTTT is the only possibility where there is no head

P(no head) = 1 - P(TTTT)

                  = 1 - 1/8

                  = 7/8