Question

hola everyone,

how to do this 3rd sum ,can anyone explain!!!

STD:8
chptr: probability

please answer

Answer 1

The outcomes when two coins thrown


=>Head , Head

=>Head , Tail

=>Tail,Head

=>Tail, Tail



1)Their are one chance for both tails . So, 1/4 is the answer.

2)Their are three changes to get at least one tail.So,3/4 is the answer.

3)Their are three chances to get at most one tail.
So, 3/4 is the answer.

Hope it will help you.

@M.S.V.