1. A bag contains 9 tiles numbered 1 to 9. P(4) = (1 point)
experimental; the result is found by repeating an experiment.
experimental; the result is based on the number of possible outcomes.
theoretical; the result is found by repeating an experiment.
theoretical; the result is based on the number of possible outcomes.
2. You toss a coin 15 times. P(heads) = (1 point)
experimental; the result is found by repeating an experiment.
experimental; the result is based on the number of possible outcomes.
theoretical; the result is found by repeating an experiment.
theoretical; the result is based on the number of possible outcomes.
3. A number cube is rolled 160 times. The number 2 comes up 39 times. What is the experimental probability of rolling a 2? What is the theoretical probability of rolling a 2? (1 point)
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;
;
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4. A spinner is divided into 10 equal sections numbered from 1 to 10. You spin the spinner once. Find P(not even). (1 point)
5. A bag contains 7 green marbles and 4 white marbles. You select a marble at random. What are the odds in favor of picking a green marble? (1 point)
7:11
7:4
4:7
3:7
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, 147 of the first 156 customers have not received a star on their receipts. What is the experimental probability of winning a free gallon of milk? (1 point)
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. Find P(red, then blue). (1 point)
8. Two urns each contain green balls and red balls. Urn I contains 10 green balls and 8 red balls, and Urn II contains 3 green balls and 10 red balls. A ball is drawn from each urn. Find P(red and red). (1 point)
9. Suppose you spin the spinner below twice. Find P(vowel, then Q).
(1 point)
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. Find P($1, then $10). (1 point)
11. A basket contains the following pieces of fruit: 3 apples, 2 oranges, 2 bananas, 2 pears, and 5 peaches. Jonas picks a fruit at random and does not replace it. Then Beth picks a fruit at random. What is the probability that Jonas gets a peach and Beth gets an apple? (1 point)
12. The probability of a basketball player hitting a foul shot is . How many shots would you expect her to make in 90 attempts? (1 point)
30
60
3
45
13. A true-false test has 5 questions. What is the probability of guessing the correct answers to all of the questions? (1 point)
Can someone help me?????
1 answer