Question

Two unbiased coins are tossed simultaneously, then the probability of getting no head is
of(x+y)*

Answer 1

Answer:

If two unbiased coins are tossed simultaneously we obtain any one of the following as an outcome.HH, HT, TH, TT.∴ Total number of elementary events = 4

No head is obtained if the elementary events TT occurs.

∴ Favourable number of elementary events = 1.

Hence, required probability =

4

1