Question

a coin is tossed twice. find the probability of getting at least one head​

Answer 1

Answer:

3/4

Step-by-step explanation:

total outcome=4

favourable outcome=3

Answer 2

Answer:3/4

Step-by-step explanation:

Possible out comes= head,head(h,h)

tail,tail(t,t)

tail,head(t,h)

head,tail(h,t)

Total number of outcomes =4

So, we can get atleast 1 head in (h,h),(h t),(t,h). This means desired outcome is 3.

=p(desired outcome/total outcome)

=3/4

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