Four married couples have bought 8 seats in the same row for a concert
1.32 Four married couples have bought 8 seats in the same row for a concert. In how many different ways can they be seated
(a) with no restrictions?
(b) if each couple is to sit together?
(c) if all the men sit together to the right of all the women?
1.33 Find the number of ways that 6 teachers can be assigned to 4 sections of an introductory psychol- ogy course if no teacher is assigned to more than one section.
1.34 Three lottery tickets for first, second, and third prizes are drawn from a group of 40 tickets. Find the number of sample points in S for awarding the 3 prizes if each contestant holds only 1 ticket.
1.35 In how many ways can 5 different trees be planted in a circle?
1.36 In how many ways can 3 oaks, 4 pines, and 2 maples be arranged along a property line if one does not distinguish among trees of the same kind?
1.37 How many ways are there that no two students will have the same birth date in a class of size 60?
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Posted 15 May 2017 12:05 PM
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