SOLUTION: THE PROBABILITY OF A STUDENT AT A PARTICULAR UNIVERSITY BEING FEMALE IS 0.57. 12 STUDENTS AT THIS UNIVERSITY ARE SELECTED AT RANDOM (INDEPENDENTLY OF EACH OTHER. WHAT IS THE PROBAB
Algebra ->
Probability-and-statistics
-> SOLUTION: THE PROBABILITY OF A STUDENT AT A PARTICULAR UNIVERSITY BEING FEMALE IS 0.57. 12 STUDENTS AT THIS UNIVERSITY ARE SELECTED AT RANDOM (INDEPENDENTLY OF EACH OTHER. WHAT IS THE PROBAB
Log On
Question 682020: THE PROBABILITY OF A STUDENT AT A PARTICULAR UNIVERSITY BEING FEMALE IS 0.57. 12 STUDENTS AT THIS UNIVERSITY ARE SELECTED AT RANDOM (INDEPENDENTLY OF EACH OTHER. WHAT IS THE PROBABILITY THAT 3 OF THEM ARE FEMALE? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! THE PROBABILITY OF A STUDENT AT A PARTICULAR UNIVERSITY BEING FEMALE IS 0.57. 12 STUDENTS AT THIS UNIVERSITY ARE SELECTED AT RANDOM (INDEPENDENTLY OF EACH OTHER. WHAT IS THE PROBABILITY THAT 3 OF THEM ARE FEMALE?
--------
Binomial Problem with n = 12 and p(female) = 0.57
------
P(x = 3) = 12C3*0.57^3*0.43*^9 = binompdf(12,0.57,3) = 0.0205
=====================
Cheers,
Stan H.
=================