study guide and i'm not sure if i got the right answers.. its on Probability and...

victorsamor

New member
...statistics here are a few..? 1. How many twelve person juries can be formed from fifteen possible candidates?
a. 180
b. 455 <<
c. 600
d. 910

2. How many different ways can twelve questions on a true-false test be answered if a student answers every question?
a. 12
b. 24
c. 48<<
d. 4096

3. How many ways can six different books be arranged on a shelf?
a. 6
b. 12
c. 720
d. 46,656

4. Evaluate 10C8.
a. 45
b. 80
c. 90
d. 1,814,400

5. How many ways can five students sit in a row of eight chairs for a photograph?
a. 40
b. 56
c. 120
d. 6,720

6. How many ways can you order a hamburger if you can order it with or without the following items: cheese, lettuce, tomatoes, pickles or onions?
a. 5
b. 10
c. 32
d. 64

7. How many different student body councils are possible if there are four seniors, five juniors, and three sophomores running for the student body offices: senior class president, junior class president, and sophomore class president?
a. 12
b. 60
c. 120
d. 17,280

8. Evaluate 8P5.
a. 40
b. 56
c. 336
d. 6,720

9. Find the probability of selecting a green marble from a jar that contains four blue marbles, three red marbles, and five green marbles.
a. 1/4
b. 1/3
c. 1/5
d. 5/12

10. Find the probability of rolling a prime number when a die is rolled.
a. 0
b. 1/6
c. 1/3
d. 1/2

11. Find the odds in favor of getting all heads on three coin tosses.
a. 1 to 2
b. 1 to 3
c. 1 to 7
d. 1 to 8

12. Find the probability of drawing a heart or a black card from a standard deck of cards.
a. 0
b. 3/4
c. 8/13
d. 19/26

13. Find the probability of drawing an ace and then a jack when two cards are drawn (without replacement) from a standard deck of cards.
a. 4/663
b. 1/169
c. 16/2607
d. 1/221

14. Find the probability of drawing a heart or a face card from a standard deck of cards.
a. 25/52
b. 11/26
c. 6/26
d. 1/4

15. Find the odds in favor of rolling the same number on a pair of dice.
a. 1 to 5
b. 1 to 6
c. 2 to 5
d. 3 to 10

16. Find the probability of selecting both red cards when two cards are drawn (without replacement) from a standard deck of cards.
a. 1/4
b. 13/51
c. 25/104
d. 25/102

17. Find the probability of drawing a heart or a club from a standard deck of cards.
a. 1/4
b. 1/2
c. 1/17
d. 13/204

18. Find the probability of getting a three first and then a four when the die is rolled twice.
a. 1/6
b. 1/12
c. 1/18
d. 1/36
 
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