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HOMEWORK SOLUTIONS FOR MATH 5651 HOMEWORK FOR WEEK 2 OF FALL 2011
 

Summary: HOMEWORK SOLUTIONS FOR MATH 5651
HOMEWORK FOR WEEK 2 OF FALL 2011
Text: de Groot and Schervish, 4th edition
Assignment: 1.8: 4,9,10,16,18; 1.9: 4,6,8; 1.10: 2,3,4,6,11; 1.12: 6,7
Problem 4 of 1.8
The sample space S for this problem is the set of all combinations of the 24
lightbulbs taken 4 at a time. The event A we are interested in is the one in which
the 4 lightbulbs selected are the 4 defective ones. So
Pr(A) =
#A
#S
=
4
4
20
20
24
4
.
Problem 9 of 1.8

  

Source: Anderson, Greg W. - School of Mathematics, University of Minnesota

 

Collections: Mathematics