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Category > Math Posted 21 Apr 2017 My Price 8.00

A lottery game has balls numbered 1

Help please with my homework : )

1) A lottery game has balls numbered 1 through 19. What is the probability of selecting an even numbered ball or a 7?

2) Find the probability of having 4 girls in a 4-child family.

3) How many different license plates can be made using 3 letters followed by 4 digits selected from the digits 0 through 9, if neither letters nor digits may be repeated? 
4) Mary finds 9 fish at a pet store that she would like to buy, but she can afford only 5 of them. In how many ways can she make her selection? How many ways can she make her selection if he decides that one of the fish is a must?
5)An exam consists of 9 multiple-choice questions and 6 essay questions. If the student must answer 5 of the multiple-choice questions and 3 of the essay questions, in how many ways can the questions be chosen?

6)Find the probability of getting 2 tails when 3 fair coins are tossed.

7)How many different 4-letter codes are there if only the letters A, B, C, D, E, F, G, H, and I can be used and no letter can be used more than once?
8)A student must choose 1 of 4 mathematics electives, 1 of 5 science electives, and 1 of 9 programming electives. How many possible course selections are there?
9)Each of ten tickets is marked with a different number from 1 to 10 and put in a box. If you draw a ticket from the box, what is the probability that you will draw 3, 8, or 1?

10)In how many ways can 7 people each have different birth months?
11)How many ways are there to choose a soccer team consisting of 3 forwards, 4 midfield players, and 3 defensive players, if the players are chosen from 6 forwards, 8 midfield players, and 8 defensive players?
12)Suppose that the sample space is S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and that outcomes are equally likely. Compute the probability of the event E = {1, 2, 4, 5, 7, 9, 10}.

13) Suppose that the sample space is S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and that outcomes are equally likely. Compute the probability of the event E: "a number divisible by 3".
14)How many 6-letter codes can be formed using the letters A, B, C, D, E, F, G, H, and I. Repeated letters are allowed.
15)How many arrangements of answers are possible in a multiple-choice test with 7 questions, each of which has 3 possible answers?
16)How many 5-card poker hands consisting of three 10's and two cards that are not 10's are possible in a  52 card deck? 
17)How many 6-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 if the first digit cannot be 0? Repeated digits are allowed. 
18)A committee is to be formed consisting of 5 men and 6 women. If the committee members are to be chosen from 8 men and 9 women, how many different committees are possible?
19)How many 4-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7, 8, 9, and 0? No digit can be used more than once.
20)12 different books are to be arranged on a shelf. How many different arrangements are possible?
21)How many different license plates can be made using 3 letters followed by 3 digits selected from the digits 0 through 9, if letters and digits may be repeated?
22)How many different license plates can be made using 3 letters followed by 3 digits selected from the digits 0 through 9, if digits may be repeated but letters may not be repeated? 
23)A group of 12 friends goes bowling. How many different possibilities are there for the order in which they play if the youngest person is to bowl first? 
24)Suppose that the sample space is S ={1,2,3,4,5,6,7,8,9,10}   and that outcomes are equally likely. Compute the probability of the event E = {2,10}.
25)A hot dog stand sells hot dogs with cheese, relish, chili, tomato, onion, mustard, or ketchup. How many different hot dogs can be concocted using any 4 of the extras?

Answers

(11)
Status NEW Posted 21 Apr 2017 07:04 AM My Price 8.00

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