This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: True or False: Observational studies are not as useful as experiments to learn about the ... (Read 31 times)

panfilo

  • Hero Member
  • *****
  • Posts: 572
on: Jul 25, 2018
True or False: Observational studies are not as useful as experiments to learn about the characteristics of a population.
 
  A) True B) False

Question 2

Suppose that two balanced dice are rolled. Let Y denote the sum of the two numbers. Use notation to represent the event that the sum of the two numbers is at least 11.
 
  A) (5, 6 ), (6, 5 ), (6,6 ) B) Y > 11
  C) X+Y  11 D) Y  11


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Juro

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 25, 2018
Answer to Question 1

B

Answer to Question 2

D


panfilo

  • Member
  • Posts: 572
Reply 2 on: Jul 25, 2018
YES! Correct, THANKS for helping me on my review

scikid

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Observational overview using cues Observational overview using cues
Perceptual judgment task used in Asch’s conformity studies Perceptual judgment task used in Asch’s conformity studies
It is in the family that we first learn how to do gender, how to match our ideas, attitudes, and ... It is in the family that we first learn how to do gender, how to match our ideas, attitudes, and ...
Cross-Sectional Studies Cross-Sectional Studies
Survivorship curves. Blue lines are theoretical curves. Red dots are data from field studies. Survivorship curves. Blue lines are theoretical curves. Red dots are data from field studies.
Video: Summary of female reproductive cycle days 1-28

For a complete list of videos, visit our video library