1 Imagine that we rolled a fair, six-sided 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
|