PROBABILITY TEST

 

PROBABILITY TEST

  How well you understand probabilities. 

Please answer the following questions.

1. Which of the following numbers represents the biggest risk of getting a disease? 1%, 10%, 5%                        
2. Which of the following numbers represents the biggest risk of getting a disease? 1 in 100, 1 in 1000, 1 in 10    
3. If the chance of getting a disease is 20 out of 100, this would be the same as having a ______% chance of getting the disease
4. If the chance of getting a disease is 10%, how many people would be expected to get the disease: A: Out of 100?
5. Imagine that we roll a fair, six-sided die 1,000 times. Out of 1,000 rolls how many times do you think the die would come up as an even number?
6. If the chance of getting a disease is 10%, how many people would be expected to get the disease: A: Out of 1000?
7. In the BIG BUCKS LOTTERY, the chances of winning a $10.00 prize are 1%. What is your best guess about how many people would win a $10.00 prize if 1,000 people each buy a single ticket from BIG BUCKS?
8. If Person A’s risk of getting a disease is 1% in ten years, and Person B’s risk is double that of A’s, what is B’s risk?
9. In the ACME PUBLISHING SWEEPSTAKES, the chance of winning a car is 1 in 1,000. What percent of tickets of ACME PUBLISHING SWEEPSTAKES win a car?
10. If Person A’s chance of getting a disease is 1 in 100 in ten years, and person B’s risk is double that of A, what is B’s risk?
11. The chance of getting a viral infection is .0005. Out of 10,000 people, about how many of them are expected to get infected?

Answers 

1. 10%
2. 1 in 10
3. 20%
4. 10 People
5. 500 Times
6. 100 People
7. 10 People
8. 2%
9. 0.1%
10. 1 in 50 in 10 Years
11. 5%

If you feel any answer is wrong comment your correct answer below