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- 1. Multiple ChoiceIf you were to flip a coin 20 times, what is the probability you would get at least 13 heads?.9423.1316.0577.0739
- 2. Multiple ChoiceIf you were to flip a coin 20 times, what is the probability you would get at most 13 heads?.9423.1316.0577.0739
- 3. Multiple ChoiceIf you were to flip a coin 20 times, what is the probability you would get exactly 10 heads?.5.1762.5881.4119
- 4. Multiple ChoiceIf you were to flip a coin 20 times, what is the probability you would get either 10 or 11 heads?.8398.1602.3364.6636
- 5. Multiple ChoiceSuppose 39% of Americans will vote for Donald Trump on election day. If a random sample of 8 voters are selected, what is the probability that more than 5 will vote for Trump?.9635.0365.9561.0439
- 6. Multiple ChoiceIn Vietnam, the probability of rain is 70%. Find the probability of it raining at most 2 days in a week..97120.0250.0287.2988
- 7. Multiple ChoiceIn Vietnam, the probability of rain is 70%. Find the probability of it raining at most 5 days in a week..9712.6705.3294.5520
- 8. Multiple ChoiceIf a standard die is rolled 8 times, find the probability of rolling a number 4 at least twice..3953.9548.8554.2245
- 9. Multiple Choice
An algebra 2 test has 6 multiple choice questions with four choices with one correct answer each. If we just randomly guess on each of the 6 questions, what is the probability that you get exactly 3 questions correct?
0.962
0.132
0.831
0.250
- 10. Multiple ChoiceThe American Red Cross says that about 11% of the U.S. population has Type B blood. A blood drive is being held at your school. What is the probability that at least 2 of the first 10 blood donors has Type B blood?0.0880.6970.2140.303
- 11. Multiple Choice4. When rolling two dice, the probability of rolling doubles is ⅙. Suppose that a game player rolls the dice four times, hoping to roll doubles. What is the probability the player gets doubles more than twice in 4 attempts?0.0160.000770.1320.004
- 12. Multiple Choice
A test has 8 multiple choice questions with four choices with one correct answer each. If we just randomly guess on each of the 8 questions, what is the probability that you get at least 3 questions correct?
0.886
0.332
0.678
0.208
- 13. Multiple ChoiceA survey found that 25% of pet owners had their pets bathed professionally rather than do it themselves. If 18 pet owners are randomly selected, find the probability that exactly 5 people have their pets bathed professionally3.421.030.0720.199
- 14. Multiple Choice
A research team at Cornell University conducted a study showing that approximately 10% of all businessmen who wear ties wear them so tightly that they actually reduce blood flow to brain, diminishing cerebral functions. At a board meeting of 20 businessmen, all of whom wear ties, what is the probability that at least one tie is too tight?
27.0%
12.2%
73.0%
87.8%
- 15. Multiple Choice
A quarterback has a incomplete passing percentage of 30%. What is the probability that he does not complete exactly 8 of his 20 passes?
11.44%
12.45%
54%
12.34%
- 16. Multiple ChoiceYou are playing against Miss Soldan in a student/faculty basketball game. You know she is terrible at free throws (she has an 8% accuracy rate), so you keep fouling her. If she attempts 18 free throws, what is the probability that she makes more than 3 of them?0.050.950.170.83
- 17. Multiple ChoiceThe student who makes the morning announcements has the bad habit of saying “like” all the time. The chance that they say “like” in a sentence is 60%. You decide to keep a tally of how many times they say like. If they say 350 sentences this week, what is the probability that they will say “like” at least 200 times?0.870.130.850.15
- 18. Multiple ChoiceAccording to a recent survey, 15% of houses in America are haunted by a ghost. If your neighborhood has 40 houses, what is the probability that 5 or more of them are haunted?0.740.260.570.43
- 19. Multiple ChoiceYou notice that cold weather makes Dr. Marks extra salty. When the weather is cold, there is a 40% chance of a tardy sweep. If February has 19 cold days, what is the probability that Dr. Marks will call more than 5 tardy sweeps?0.840.160.930.07
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