You roll a number cube numbered one to six 12 times. P(5) = two over three. What type of probability is illustrated and why? (1 point)
experimental; the result is based on the number of possible outcomes
** experimental; the result is found by repeating an experiment
theoretical; the result is based on the number of possible outcomes
theoretical; the result is found by repeating an experiment
2. You draw five cards from a standard deck of 52 cards. P(heart) = 4 over 5. What type of probability is illustrated and why? (1 point)
theoretical; the result is based on the number of possible outcomes
theoretical; the result is found by repeating an experiment
experimental; the result is based on the number of possible outcomes
** experimental; the result is found by repeating an experiment
3. A number cube is rolled 150 times. The number 3 comes up 43 times. What is the experimental probability of rolling a 3? What is the theoretical probability of rolling a 3? (1 point)
forty three over one hundred fifty ; one sixth
forty three over one hundred fifty ; one over fifty
one sixth ; forty three over one hundred fifty
three over forty three ; one sixth
4. A spinner is divided into 11 equal sections numbered from 0 to 10. You spin the spinner once. What is P(not even)? (1 point)
three fifths
one half
five over eleven**
six over eleven
5. A bag contains 9 green marbles and 11 white marbles. You select a marble at random. What are the odds in favor of picking a green marble? (1 point)
9:20
2:9
11:9
9:11***
6. Food Express is running a special promotion in which customers can win a free gallon of milk with their food purchase if there is a star on their receipt. So far, 129 of the first 138 customers have not received a star on their receipts. What is the experimental probability of winning a free gallon of milk? (1 point)
3 over 46**
43 over 46
11 over 138
43 over 138
7. A bag contains 7 green marbles, 9 red marbles, 10 orange marbles, 5 brown marbles, and 10 blue marbles. You choose a marble, replace it, and choose again. What is P(red, then blue)? (1 point)
seventy-seven over one hundred sixty-four
** nineteen over forty-one
ninety over one thousand six hundred eighty-one
forty-five over forty-one
8. Each of two urns contains green balls and red balls. Urn I contains 10 green balls and 8 red balls. Urn II contains 3 green balls and 10 red balls. If a ball is drawn from each urn, what is P(red and red)? (1 point)
twenty-three over eighteen
ten over twenty-seven
forty over one hundred seventeen
*** eighteen over thirty-one
9. If you spin the spinner below twice, what is P(vowel, then Q)?
counter (1 point)
one-tenth
one-ninth **
two-ninths
one-twelfth
10. You have four $1 bills, two $5 bills, five $10 bills, and five $20 bills in your wallet. You select a bill at random. Without replacing the bill, you choose a second bill. What is P($1, then $10)? (1 point)
nine over thirty-nine**
five over sixty-four
three over eighty
one-twelfth
11. A basket contains the following pieces of fruit: 3 apples, 2 oranges, 2 bananas, 2 pears, and 5 peaches. Jack picks a fruit at random and does not replace it. Then Bethany picks a fruit at random. What is the probability that Jack gets a peach and Bethany gets an orange? (1 point)
10 over 27
5 over 91**
5 over 98
93 over 182
12. The probability of a basketball player hitting a foul shot is one-third. How many shots would you expect her to make in 90 attempts? (1 point)
30**
60
3
45
13. A true-false test has 12 questions. What is the probability of guessing the correct answers to all of the questions? (1 point)
1 over 4096
1 over 144
one over twenty four**
1over14
14. Simplify 4! (1 point)
24**
10
9
4
15. Simplify 6P2. (1 point)
30**
15
12
720
16. Simplify 9C4. (1 point)
126**
15,120
5
3,024
17. You and 3 friends go to a concert. In how many different ways can you sit in the assigned seats? (1 point)
6 ways**
12 ways
24 ways
10 ways
18. You own 6 pairs of jeans and want to take 2 of them with you on vacation. In how many ways can you choose 2 pairs of jeans? (1 point)
10
12
15
20
2 answers
However, just as a start, I disagree with your first answer.
Also, "five over eleven" can be written most easily as 5/11. Use that for your other fractions.