Two coins are tossed simultaneously . Find the probability of getting 

(a) two heads

(b) at least one head

(c) no head 

(d) at most one head

Dear Student!

The outcomes obtained by tossing two coins simultaneously are HH, HT, TH and TT.
So, a total of 4 outcomes are obtained by tossing two coins.
(a) The outcome favourable of getting two heads is HH.

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