Suppose six coins are flipped. Then the probability of getting at least one tail is :

Engineering

Mathematics

Basic Definitions Related to Probability

Question

$\frac{71}{72}$

$\frac{53}{54}$

$\frac{63}{64}$

$\frac{1}{12}$

College PredictorLive

Know your College Admission Chances Based on your Rank/Percentile, Category and Home State.

Get your JEE Main Personalised Report with Top Predicted Colleges in JoSA

Total number of events that would occur by flipping six coins

= 2⁶ = 64.
Probability that no tail occurs = $\frac{1}{64}$
Probability of occurring at least one tail = $1 - \frac{1}{64} = \frac{63}{64}$