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

Author Question: In a small private college, 80 students play baseball, 70 students play football, 50 students play ... (Read 245 times)

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
on: Jun 20, 2018
In a small private college, 80 students play baseball, 70 students play football, 50 students play basketball, and 550 students do not play any sport.
 
  If a student is approached at random, what is the probability that he/she will play baseball or football?
  A) 150 / 550 = .27
  B) 150 / 750 = .20
  C) 200 / 550 = .36
  D) 550 / 750 = .73

Question 2

If the psychologist wants to see if there is a change (increase or decrease) in procrastination by 10 of the students who attended his workshop using the .05 significance level, the cutoff t score(s) would be
 
  A) .62, 0, +2.62
  B) +2.262
  C) 2.262, 0
  D) 2.262, +2.262


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cadimas

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

D


Mr. Wonderful

  • Member
  • Posts: 866
Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review

sarah_brady415

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

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?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Bayliss and Starling discovered the mechanism by which the small intestine and pancreas work togethe Bayliss and Starling discovered the mechanism by which the small intestine and pancreas work togethe
Role-Play Scenarios Role-Play Scenarios
Wrapping an Infant or Small Child Wrapping an Infant or Small Child
The electromagnetic spectrum. Ionizing radiation is only a small portion of the electromagnetic ... The electromagnetic spectrum. Ionizing radiation is only a small portion of the electromagnetic ...
Structure of the small intestine. Structure of the small intestine.
Genetic Drift in Large and Small Populations Genetic Drift in Large and Small Populations
Video: Energy inputs and release in glycolysis Animation

For a complete list of videos, visit our video library