Question 1

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?

Accepted Answer

The answer of Use the following information for the next...

Question 2

Assume that getting a child with brown hair or blond hair is equally likely and
that hair color is independent of the other children.
-What is the probability of getting 5 children with blond hair?

Accepted Answer

The answer of Assume that getting a child with brown...

Question 3

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.

Accepted Answer

The answer of Use the following information for the next...

Question 4

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?

Accepted Answer

The answer of According to the Center for Disability Studies,...

Question 5

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.

Accepted Answer

The answer of Use the following information for the next...

Question 6

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 two different individuals are randomly selected, find the probability that they both took a placebo.

Accepted Answer

The answer of Use the following sample data for the...

Question 7

Select the pair of events that are disjoint for a single trial.
A) Randomly selecting a ophthalmologist; Randomly selecting a male doctor
B) Randomly selecting a bird; Randomly selecting a hummingbird
C) Randomly selecting someone taking Tylenol; Randomly selecting someone in a control group taking no medications
D) Randomly selecting someone with type O blood; Randomly selecting someone with Rh positive blood

Accepted Answer

Disjoint events cannot occur simultaneously. In option C, a person cannot be both taking Tylenol and in a control group taking no medications at the same time.

Question 8

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?

Accepted Answer

The answer of In new data submitted to the FDA,...

Question 9

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 or who progressed to Alzheimer's.

Accepted Answer

The answer of Use the following sample data for the...

Question 10

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 two different individuals are randomly selected, find the probability that they both progressed to Alzheimer's.

Accepted Answer

The answer of Use the following sample data for the...

Question 11

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.

Accepted Answer

The answer of Use the following sample data for the...

Question 12

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 individual is randomly selected, find the probability that they progressed to Alzheimer's, given that they took Donepezil.

Accepted Answer

The answer of Use the following sample data for the...

Question 13

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.

Accepted Answer

The answer of Use the following sample data for the...

Question 14

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.

Accepted Answer

The answer of Use the following sample data for the...

Question 15

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 individual is randomly selected, find the probability that they took Donepezil, given that they progressed to Alzheimer's.

Accepted Answer

The answer of Use the following sample data for the...

Question 16

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.

Accepted Answer

The answer of Use the following information for the next...

Question 17

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.

Accepted Answer

The answer of Use the following sample data for the...

Question 18

Select the pair of events that are dependent.
A) Consuming a 1400 calorie hamburger each day for a week; Gaining weight
B) Taking a Biostatistics course; Having brown hair
C) Randomly selecting a gray fox; Randomly selecting a fish
D) Randomly selecting someone with type O blood; Randomly selecting someone with type B blood

Accepted Answer

Consuming a 1400 calorie hamburger each day for a week and gaining weight are dependent events because the action of consuming high-calorie food regularly can directly influence weight gain.

Question 19

Select the complement of the event: All 80 participants in a study are kidney donors.
A) At least one of the participants is a kidney donor.
B) Less than 40 of the participants are kidney donors.
C) None of the participants are kidney donors.
D) More than 40 of the participants are kidney donors.

Accepted Answer

The complement of all participants being kidney donors is that none of the participants are kidney donors.

Question 20

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.

Accepted Answer

The answer of Use the following sample data for the...

Quiz 3: Probability

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?

Assume that getting a child with brown hair or blond hair is equally likely and that hair color is independent of the other children. -What is the probability of getting 5 children with blond hair?

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.

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.

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

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.

Select the pair of events that are dependent.

Select the complement of the event: All 80 participants in a study are kidney donors.