ways to buy tickets, to be seated; rolling dice; def. bulbs

[BrittanyK]

Here are the Four Problems i need help with!!

1. For the upcoming season, a colleges Performing Arts Department lists twelve concerts and eight plays. In how many differnet ways can a person buy a ticket
A. one fo the concerts and one of the palys
B. Three of the concerts and two fo the plays
C. five of these performances

2. Four married couples have bought eight seats in a row for a theater performane
A. In how many ways can they be seated
B. In how many ways can they be seated if each couple is to sit together
C. In how many ways can they be seated if all the men are to sit together and all the woman are to sit together?

3. Two dice are roller twice. Find the probability that
A. The sum is anywhere between 2 and 12
B. The sum is at least 9
C The sum is divisable by 13

4. A carton of twelve light bulbs contains three that are defective. Four light bulbs are randomly selected. What is the probability that
A. None of the defective bulbs are selceted
B. Exactly one of the defective bulbs is selcted
C. All three defective bulbs are selected

 

[pka]

Here are the Four Problems i need help with!!

Well, BrittanyK what kind of help do you need?
I hope that you don't expect us to simply work these out for you?
We need to know what it is that you don't understand about these.

 

[Deleted member 4993]

Here are the Four Problems i need help with!!

1. For the upcoming season, a colleges Performing Arts Department lists twelve concerts and eight plays. In how many differnet ways can a person buy a ticket
A. one fo the concerts and one of the palys
B. Three of the concerts and two fo the plays
C. five of these performances

2. Four married couples have bought eight seats in a row for a theater performane
A. In how many ways can they be seated
B. In how many ways can they be seated if each couple is to sit together
C. In how many ways can they be seated if all the men are to sit together and all the woman are to sit together?

3. Two dice are roller twice. Find the probability that
A. The sum is anywhere between 2 and 12
B. The sum is at least 9
C The sum is divisable by 13

4. A carton of twelve light bulbs contains three that are defective. Four light bulbs are randomly selected. What is the probability that
A. None of the defective bulbs are selceted
B. Exactly one of the defective bulbs is selcted
C. All three defective bulbs are selected

multiplicate post:

http://answers.yahoo.com/question/index ... 938AAyuAjk

http://answers.yahoo.com/question/index ... 818AA0ufll

http://answers.yahoo.com/question/index ... 457AAjfNkl

she wins .... somebody finally did it for her....