1. According to a published study, 30.3% of Ghanaians are hypertensive. If we randomly sample 20 people from the population, find the probability that individuals with hypertension will be a. Exactly five b. At least three c. No more than four d. Four or more 2. A study conducted in Cape Coast that evaluated the relationship. between consumption of vitamin D rich foods and vulvovaginal candidiasis computed the mean vitamin D food consumption score to be 23.06 with standard of 8.44. Assume that vitamin D food consumption score in this population is normally distributed. a. Why are we assuming that vitamin Lood consumption score in this population is normally distributed a. What proportion of females in Cape Coast will have a vitamin D food consumption score of greater than 507. b. What proportion of females in Cape Coast will have a vitamin D food consumption score between 25 and 507 c. To be classified as having adequate vitamin D intake, an individual's food consumption score must rank in the top 25%. Find the lowest possible food consumption score. 3. An epidemiologist has been approached by the Ghana Health Service to investigate the relationship between vitamin D nutritional status and vulvovaginal candidiasis in Ghana a. Indicate the target population b. Indicate the source population c. What is the next step in the sampling process after identifying the source population? d. How feasible would it be to undertake the step in (c)? e. Based on your answer in (d), how will you obtain a representative sample for the study? How can the epidemiologist guarantee reliable results? 4. In UCC Department of Biomedical Sciences, there are 12 lecturers and 4 administrative personnel; 7 lecturers and 2 administrative personnel are males. If a staff person is selected, find the probability that the subject is a lecturer or a female