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 250 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
Wow, this really help

Missbam101

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

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?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Snout and mouth of sand tiger shark, showing protruding teeth and small eyes Snout and mouth of sand tiger shark, showing protruding teeth and small eyes
Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
A complete cranium of Au. Afarensis from Hadar, Ethiopia, shows a prognathic face and a small brainc A complete cranium of Au. Afarensis from Hadar, Ethiopia, shows a prognathic face and a small brainc
Commensal Bacteria in the Human Small Intestine Commensal Bacteria in the Human Small Intestine
Supervised role-play can help a child feel more at ease during office visits. Supervised role-play can help a child feel more at ease during office visits.
Nancy borrowed $8000 from her grandfather to buy a car when she started college. The interest ... Nancy borrowed $8000 from her grandfather to buy a car when she started college. The interest ...
Video: Miller's reaction chamber experiment Animation

For a complete list of videos, visit our video library