CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 200: in a population of 1000, disease prevalence is 25%. Approximately how many people are affected?
A. 251
B. 249
C. 252
D. 250
Correct Answer: D
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 199: in a population of 2900, disease prevalence is 24%. Approximately how many people are affected?
A. 698
B. 697
C. 695
D. 696
Correct Answer: D
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 198: in a population of 2800, disease prevalence is 23%. Approximately how many people are affected?
A. 646
B. 645
C. 644
D. 643
Correct Answer: C
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 197: in a population of 2700, disease prevalence is 22%. Approximately how many people are affected?
A. 596
B. 594
C. 593
D. 595
Correct Answer: B
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 196: in a population of 2600, disease prevalence is 21%. Approximately how many people are affected?
A. 546
B. 548
C. 545
D. 547
Correct Answer: A
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 195: in a population of 2500, disease prevalence is 20%. Approximately how many people are affected?
A. 502
B. 499
C. 501
D. 500
Correct Answer: D
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 194: in a population of 2400, disease prevalence is 19%. Approximately how many people are affected?
A. 457
B. 456
C. 458
D. 455
Correct Answer: B
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 193: in a population of 2300, disease prevalence is 18%. Approximately how many people are affected?
A. 416
B. 414
C. 415
D. 413
Correct Answer: B
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 192: in a population of 2200, disease prevalence is 17%. Approximately how many people are affected?
A. 374
B. 373
C. 375
D. 376
Correct Answer: A
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 191: in a population of 2100, disease prevalence is 16%. Approximately how many people are affected?
A. 335
B. 338
C. 337
D. 336
Correct Answer: D
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 190: in a population of 2000, disease prevalence is 15%. Approximately how many people are affected?
A. 301
B. 299
C. 300
D. 302
Correct Answer: C
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 189: in a population of 1900, disease prevalence is 14%. Approximately how many people are affected?
A. 268
B. 266
C. 265
D. 267
Correct Answer: B
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 188: in a population of 1800, disease prevalence is 13%. Approximately how many people are affected?
A. 234
B. 235
C. 233
D. 236
Correct Answer: A
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 187: in a population of 1700, disease prevalence is 12%. Approximately how many people are affected?
A. 205
B. 203
C. 204
D. 206
Correct Answer: C
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 186: in a population of 1600, disease prevalence is 11%. Approximately how many people are affected?
A. 178
B. 177
C. 176
D. 175
Correct Answer: C
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 185: in a population of 1500, disease prevalence is 10%. Approximately how many people are affected?
A. 150
B. 152
C. 151
D. 149
Correct Answer: A
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 184: in a population of 1400, disease prevalence is 9%. Approximately how many people are affected?
A. 126
B. 125
C. 128
D. 127
Correct Answer: A
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 183: in a population of 1300, disease prevalence is 8%. Approximately how many people are affected?
A. 103
B. 104
C. 105
D. 106
Correct Answer: B
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 182: in a population of 1200, disease prevalence is 7%. Approximately how many people are affected?
A. 84
B. 83
C. 85
D. 86
Correct Answer: A
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 181: in a population of 1100, disease prevalence is 6%. Approximately how many people are affected?
A. 68
B. 66
C. 65
D. 67
Correct Answer: B
Affected number ≈ population × prevalence/100.