Binomial distribution is
- A. Discrete distribution
- B. Continuous distribution
- C. Individual distribution
- D. Poisson distribution
Correct Answer: A
Rationale: The binomial distribution models discrete outcomes, typically successes and failures.
You may also like to solve these questions
Should the case definition for surveillance match the clinical case definition?
- A. True.
- B. FALSE
Correct Answer: B
Rationale: Surveillance and clinical case definitions may differ because they serve different purposes; clinical definitions focus on treatment, while surveillance definitions optimize detection.
Milk secretion in breast of mother is influenced by mother's
- A. Nutritional status states
- B. Physiological state
- C. Hormonal state
- D. All of the above
Correct Answer: D
Rationale: Milk secretion is influenced by a combination of nutritional, physiological, and hormonal factors.
What is the incidence of disease during July?
- A. 3 / 700
- B. 4 / 700
- C. 5 / 700
- D. 8 / 700
Correct Answer: A
Rationale: Incidence counts only new cases during a time period.
According to guideline recommended by WHO for quality of water E coli in distribution system per 100 ml of water is
- B. 50
- C. 100
- D. 5
Correct Answer: A
Rationale: WHO guidelines specify that no E. coli should be present in drinking water.
When analyzing surveillance data by age, which age groups are preferred?
- A. 1-year age groups
- B. 5-year age groups
- C. 10-year age groups
- D. Depends on the disease
Correct Answer: D
Rationale: The choice of age grouping depends on the disease being studied and the population structure.