Question 1. a.?

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A car dealer has 6 different models. He wishes to select 4 of them and display it in the show room. How many different ways can a group of 4 be selected?

2007-04-09 12:14:57 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

5 answers

6chose4 which is 6!/4!*(6-4)! which will simplify to 6*5/2 or 15

2007-04-09 12:18:08 · answer #1 · answered by Paul 2 · 0⤊ 0⤋

there are 6 cars, select 4 at a time

(6*5*4*3) / (4!)

2007-04-09 19:17:40 · answer #2 · answered by 7 · 0⤊ 0⤋

6 choose 4 = 6! / 4! 2! = 15 different ways

2007-04-09 19:20:52 · answer #3 · answered by metalluka 3 · 0⤊ 0⤋

2007-04-09 19:18:44 · answer #4 · answered by Anonymous · 0⤊ 0⤋

6P4 = 6!/(6-4)! = 120

2007-04-09 19:43:05 · answer #5 · answered by ironduke8159 7 · 0⤊ 0⤋