Diseases
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Q. If a vaccine reduces the risk of infection by 75%, what is the probability of infection after vaccination if the initial probability of infection is 0.2? (2020)
Q. If a vaccine reduces the risk of infection by 75%, what is the probability of infection after vaccination if the initial probability of infection is 0.1? (2020)
Q. If the average incubation period of a disease is 14 days, how many days will it take for 3 incubation periods to pass? (2020)
Q. If the chance of contracting a disease is 1 in 500, what is the percentage chance of not contracting the disease? (2023)
Q. If the incidence rate of a disease is 3 cases per 1000 people per year, how many new cases would you expect in a population of 50,000? (2022)
Q. If the mortality rate of a disease is 5% and 2000 people are diagnosed, how many deaths are expected? (2023)
Q. In a clinical trial, 60% of patients showed improvement after treatment. If 150 patients were treated, how many patients are expected to show improvement? (2022)
Q. In a population of 10,000, if 200 people are infected with a disease, what is the prevalence rate of the disease? (2022)
Q. In a population of 1000, if 50 people are infected with a disease, what is the prevalence rate of the disease? (2023)
Q. In a population of 1000, if 50 people are known to have a disease, what is the prevalence rate of the disease? (2019)
Q. In a population of 2000, if 5% are carriers of a disease, how many are carriers? (2020)
Q. In a study, 60% of patients with a certain disease reported fatigue. If 150 patients were surveyed, how many reported fatigue? (2022)
Q. In a study, 60% of patients with a certain disease reported fatigue. If 50 patients were surveyed, how many would you expect to report fatigue? (2022)
Q. In a study, 60% of patients with a certain disease were found to have a specific symptom. If 150 patients were studied, how many patients had the symptom? (2023)
Q. In a study, 80% of patients with a certain disease showed improvement after treatment. If 50 patients were treated, how many patients are expected to show improvement? (2023)
Q. In a study, it was found that 70% of patients with a certain disease are male. If there are 400 patients, how many are expected to be male? (2020)
Q. What is the probability of a person being diagnosed with a disease if the prevalence of the disease in a population is 2% and the test for the disease has a sensitivity of 90% and a specificity of 95%? (2021)
Q. What is the probability of a person being infected with a disease if the prevalence of the disease in a population is 2%? (2021)
