1 Imagine that we rolled a fair, sixsided die 1,000 times. Out of 1,000 rolls,how many times do you think the die would come up even (2, 4, or 6)?

85(55)

0.66

0.43

0.68

0.46

2 *In a lottery, the chance of winning a 1,000 yen prize is 1%.What is your best guess about how many people would win a 1,000 yen prize if 1,000 people each buy a single ticket to this lottery?

82(60)

0.74

0.55

0.63

0.40

3 *In a lottery, the chance of winning a car is 1 in 1,000. What percent of tickets to this lottery win a car?

73(21)

0.66

0.43

0.61

0.37

4 Which of the following numbers represents the biggest risk of getting a disease? 1 in 100, 1 in 1000, 1 in 10

95(78)
  
0.90

0.81

5 Which of the following numbers represents the biggest risk of getting a disease? 1%, 10%, 5%

97(84)
  
0.82

0.67

6 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?

92(91)
  
0.78

0.61

7 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’s, what is B’s risk?

90(87)
  
0.71

0.50

8 If the chance of getting a disease is 10%, how many people would be expected toget the disease:A: Out of 100?

92(81)
    
9 If the chance of getting a disease is 10%, how many people would be expected toget the disease:B: Out of 1000?

91(78)
  
0.77

0.60

10 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.

93(70)
  
0.77

0.59

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?

69(49)
  
0.18

0.03
