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# A Coin is Tossed Once. Find the Probability Of: Not Getting a Tail - ICSE Class 10 - Mathematics

ConceptType of Event - Complementry

#### Question

A coin is tossed once. Find the probability of:

not getting a tail

#### Solution

Sample space ={H,T}

n(s)=2

Not getting a tail means getting a heads.

Therefor, the probability of tail= "n(A)"/"n(s)"=1/2