Check your understanding of probability. #datascience #machinelearning #shortitfeelit

[manishKumar-tlee]

prob of at least 1 head = ( 1 - prob of no head )
P = 1/2, q = 1/2, n=3, x=0


prob(x=0)= ( n! * p^x * q^(n-x) )/((n-x)! * x!)


prob(x=0) = 1/8
Thus Prob of at least 1 head = 1- 1/8 = 7/8

[tusharbedse]

7/8 because TTT cannot be counted in the sample space of 8

[partharora]

HHH
HHT
HTH
HTT
THH
THT
TTH
TTT
PROBABLITY =7/8

[Piyushmishra-eq]

There is only Two Ways success Or Failure HH HT TT TH