Author Question: A false positive in screening (e.g., home pregnancy tests) represents the event that: a. the test ... (Read 38 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?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

For a complete list of videos, visit our video library