3.18 only 365 days (or 3.17 License Plates license plates in a certain state is

Question

3.18 only

365 days (or 3.17 License Plates license plates in a certain state is 3 ihert Suppose the format for the auto letters or numbers are allow followed by If of how many different license plates can be 3.18 Baseball Lineup many different batting orders If coach has 25 players, how 9 players can he choose from? 3.19 Refer to Problem 3.17, License Plates allowed but none of the fiv lf repetitions of letters and numbers are produced vowels allowed, how many different license plates can be 3.20 If there were 600 students enrolled in a statistics course, how ma different ways could we choose a class of 20 students? 3.21 If a baseball coach has players try out for his team and he can ch 24 for his team, how many different ways could he choose his team 3.22 a) If an eighteen-wheel truck has 18 identical wheels, how different ways can the wheels be put on the truck? b) If the two front wheels are uniquely different from the nn tha urheels he

Explanation / Answer

Basket ball coach has 25 players. No. of different orders of 9 batsman from 25 is ,First batsman can be any of the 25 players, then the next batsman can be any one of the other 24 players, and this way 23 , 22 , we would stop at 17 and get the 9 th batsman.

25*24*....*(25-9+1) = 25*24*......*17 = 25!/16! = (25)9 .

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