Q. 865.0( 1 Vote )

The probability t

Answer :

Total number of person , n=5


Total number of swimmers among total person , r=4


Probability of not swimmer , Q=0.3


So, The probability of swimmer , p=1-Q=0.7


We know, probability distribution P(X=r)=nCr (p)r qn-r


P(X) = nCr


P(X) =



Hence, 5C4 (0.7)4 (0.3)

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses