This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: 3 are accounting majors. If the company manager decides to select randomly 2 candidates from this list, find the probability that a. both candidates are finance majors, b. neither of the two candidates is a finance major, c. at most one of the candidates is a finance major. Solution: N=7 n=2 r=4 Nr=3 a) p(x=2)= 2 7 3 2 4 C C C ⋅ = ! 5 ! 2 ! 7 ! 3 ! ! 3 ! 2 ! 2 ! 4 ⋅ = 21 1 6 ⋅ =0.286 b) p(x=0)= 2 7 2 3 4 C C C ⋅ = ! 5 ! 2 ! 7 ! 1 ! 2 ! 3 ! 4 ! ! 4 ⋅ = 21 3 1 ⋅ =0.143 c) p(x ≤ 1)= = = + = ) 1 ( ) ( x P x P 2 7 1 3 1 4 2 7 2 3 4 C C C C C C ⋅ + ⋅ =0.143+ ! 5 ! 2 ! 7 ! 2 ! 1 ! 3 ! 3 ! 1 ! 4 ⋅ =0.143+ 21 3 4 ⋅ =0.143+0.571=0.714...
View
Full
Document
This note was uploaded on 03/11/2012 for the course FIN FIN 3230 taught by Professor Petrivanov during the Spring '12 term at Kazakhstan Institute of Management, Economics and Strategic Research.
 Spring '12
 PetrIvanov
 Finance

Click to edit the document details