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 183 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
Great answer, keep it coming :)

milbourne11

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Although average brain size increases gradually though time in H. erectus, individuals with small br Although average brain size increases gradually though time in H. erectus, individuals with small br
Instruct the patient to use an applicator to apply a small amount of stool in the appropriate boxes ... Instruct the patient to use an applicator to apply a small amount of stool in the appropriate boxes ...
Notice the small motor gear on the left drives a larger plastic gear (black), which then drives ... Notice the small motor gear on the left drives a larger plastic gear (black), which then drives ...
Private Practice Massage Therapy Business Plan Cont Private Practice Massage Therapy Business Plan Cont
Food, friends, and football . . . a way of life Food, friends, and football . . . a way of life
Gender and Play in Children (2 of 2) Gender and Play in Children (2 of 2)
Video: Nucleic acid digestion - brush border enzymes, end products & transport mechanism

For a complete list of videos, visit our video library