Author Question: A false positive in screening (e.g., home pregnancy tests) represents the event that: a. the test ... (Read 76 times)

mmm

  • Hero Member
  • *****
  • Posts: 558
A false positive in screening (e.g., home pregnancy tests) represents the event that:
 a. the test is negative for a given condition, given that the person does not have the condition
  b. the test is positive for a given condition, given that the person does not have the condition
  c. the test is negative for a given condition, given that the person has the condition
  d. the test is positive for a given condition, given that the person has the condition

Question 2

Consider a cell in a contingency table. Given the cell's row total of 80, the cell's column total of 60, and a sample size of 250, the cell's expected frequency is
 a. 19.2.
  b. 3.125.
  c. 20.0.
  d. 1.786.



Briannahope

  • Sr. Member
  • ****
  • Posts: 364
Answer to Question 1

B

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

For a complete list of videos, visit our video library