# statistic & probability

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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 -

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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