Exam 3: Probability

Use the following sample data for the following questions. In an experiment to study the effect of Donepezil on individuals at risk of developing Alzheimer's disease, the following data was collected: -If one of the individuals is randomly selected, find the probability of getting an individual who did not progress to Alzheimer's or who took a placebo.

Select the complement of the event: All 50 participants in a study are bone marrow donors.

Use the following sample data for the next questions. Medical researchers, in a three year study of Gardasil, a vaccine for the prevention of infection from four types of Human Paplillomavirus, or HPV, on 552 women, ages 16 to 23, reported the following data: -Find the odds ratio for patients who developed the HPV infection in the group given the placebo compared to group given the vaccine.

Use the following sample data for the following questions. In an experiment to study the effect of Donepezil on individuals at risk of developing Alzheimer's disease, the following data was collected: -If one of the individuals is randomly selected, find the probability of getting an individual who took Donepezil.

Use the following sample data for the following questions. Biologists studying the re-vegetation of two species of succulent plants in the South African desert examined the number of plants that survived depending on whether they were planted in multi-species clumps or planted alone. The following data resulted: -If one of the surviving succulent plants is randomly selected, find the probability of getting a surviving plant that was Species 2 or was planted alone.

Use the following sample data for the following questions. Biologists studying the re-vegetation of two species of succulent plants in the South African desert examined the number of plants that survived depending on whether they were planted in multi-species clumps or planted alone. The following data resulted: -If one of the surviving succulent plants is randomly selected, find the probability of getting a surviving Species 1 plant.

According to the California Department of Health Services, 83% of Californians over 25 are not obese. -If twenty Californians over 25 are randomly selected, what is the probability that all twenty are not obese?

Use the following information for the next questions. In a survey, the rate of heavy smokers was reported as 270 per 1000 individuals. -Find the probability that a randomly selected individual is a heavy smoker.

Use the following information for the next questions. For 2003, the rate of residential recycling in Delaware was reported as 130 per 1000 households. -If two households are randomly selected, find the probability that neither of them recycled.

Use the following sample data for the next questions. Medical researchers, in a three year study of Gardasil, a vaccine for the prevention of infection from four types of Human Paplillomavirus, or HPV, on 552 women, ages 16 to 23, reported the following data: -Find the value of the absolute risk reduction for women who developed the HPV infection in the treatment and placebo groups.

Use the following information for the next questions. The project team for restoration of a wet prairie has ten members. -If three members are randomly selected for planting cordgrass, find the probability that the three youngest members are selected.

Use the following sample data for the next questions. A study by Medtronic, a manufacturer of a cardiac resynchronization device, on 813 patients with severe heart failure yielded the following data: -Find the value of the absolute risk reduction for patients hospitalized or died in the drug therapy and the drugs with electrical cardiac device groups.

Use the following information for the next questions. The project team for restoration of a wet prairie has ten members. -If members are assigned to responsibilities of Project Manager, Budget Manager, and Report Manager, how many different possibilities exist?

According to the Center for Disability Studies, 88.1% of people ages 16 to 64 do not have a condition that affects their ability to work at a job or business. -If fifteen people ages 16 to 64 are randomly selected, what is the probability that all fifteen do not have a condition that affects their ability to work at a job or business?

Select the pair of events that are dependent.

Use the following sample data for the following questions. In an experiment to study the effect of Donepezil on individuals at risk of developing Alzheimer's disease, the following data was collected: -If one of the individuals is randomly selected, find the probability of getting an individual who progressed to Alzheimer's.

Select the pair of events that are disjoint for a single trial.

Select the pair of events that are dependent.

Use the following information for the next questions. In a survey, the rate of heavy smokers was reported as 270 per 1000 individuals. -If two individuals are randomly selected, find the probability that neither of them is a heavy smoker.

In new data submitted to the FDA, Mentor, a manufacturer of silicone implants, claimed the rupture rate for breast augmentation or cosmetic surgery, measured by MRI scans after four years, was .5%. -If a group of four patients are randomly selected and scanned, what is the probability that there will be at least one patient with a ruptured implant?