Question

Two coins are tossed once. Find the probability of getting (1) two tails(2) exactly one head (3) two heads

Answer 1

let a be the event of getting two tails
n(s)=4
n(a)=1
p(a)=1/4
let b be the event of getting exactly one head
n(b)=2
p(b)=2/4=1/2

let C be the event of getting 2 heads
n(c)=1
p(c)=1/4

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