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Q 1/15
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1. You flip a coin. What is P(heads)?
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Q 2/15
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2. Find the probability of rolling a 7 on a single die.
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15 questions
Q.
1. You flip a coin. What is P(heads)?
1
30 sec
Q.
2. Find the probability of rolling a 7 on a single die.
2
30 sec
Q.
3. A die is rolled, what is the probability that the result is less than 3?
3
30 sec
Q.
4. There are 20 marbles in the jar. What is the probability of choosing a marble that is NOT green from the jar?
4
30 sec
Q.
5. If a letter is chosen randomly from the word PERSEVERANCE, what is the probability that the letter chosen is E?
5
30 sec
Q.
6. Ma’am Earl is asked to choose a day from a week. What is the probability of choosing a day which starts with S/T?
6
30 sec
Q.
7. What is the probability of rolling 15 with a pair of dice?
7
30 sec
Q.
8. If the probability of choosing a yellow marble was 9/15, how many green marbles would be in the box?
8
30 sec
Q.
9. A coin is tossed 80 times. The coin landed on heads 46 times and on tails 34 times. Find the probability of landing on tails?
9
30 sec
Q.
10. What is the likelihood that tomorrow is Monday?
10
30 sec
Q.
11. A small bag contains 2 lemons, 4 cherry, 1 lime, and 3 blueberry jellybeans. If Dingdong chooses a jellybean without looking, what is the probability it will NOT be a cherry or blueberry?
11
30 sec
Q.
12. Jillian selects a card at random from the cards shown. What is the probability that the card Jillian selects is a polygon?
12
30 sec
Q.
13. The sides of a cube are numbered 11 to 16. If John Ranz rolled the cube once, what is the probability of rolling a composite no.?
13
30 sec
Q.
14. A medical study tests a new vaccine on 4 800 health workers. It is effective for 4 320. Find the experimental probability that the vaccine is effective.
14
30 sec
Q.
15. A bag contains 12 red marbles, 8 blue marbles, and 4 yellow marbles. Find the theoretical and experimental probabilities of getting a blue marble.
