Question

Two coins are tossed together. Find the probability of getting atleast one head

Answer 1

your answer is 3 by 4

Answer 2

let sample space be s

s=(HH TH HT TT)

n(s)=4

let a be the event to get atleast 1 head

a=(HH HT TH)

n(a)=3

p(a)= n(a)÷n(s)
p(a)= 3/4