Posted by Anonymous on Thursday, June 14, 2012 at 4:25pm.
An order of ward presentation has been devised for seven people: Jeff, Karen, Lyle, Maria, Norm, Olivia, and Paul. How many ways can the men be presented first and then the women?

statistic & probability  MathMate, Thursday, June 14, 2012 at 5:35pm
Men: Jeff, Lyle, Norm, Paul
Women: Karen, Maria, Olivia
Number of arrangements of 4 men : 4!=24
Number of arrangements of 3 women : 3!=6
Number of arrangements for men first followed by women = 24*6=144
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