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 166 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
Thanks for the timely response, appreciate it

tranoy

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Play in Four Cultures Across cultures, play is the most common activity in early childhood. Source: Play in Four Cultures Across cultures, play is the most common activity in early childhood. Source:
Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ... Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ...
Measuring the Head Circumference of an Infant or Small Child Measuring the Head Circumference of an Infant or Small Child
Use small circular strokes up the ankle and leg. Use small circular strokes up the ankle and leg.
Entrepreneurship: Starting and Operating a Small Business (3rd Edition) Entrepreneurship: Starting and Operating a Small Business (3rd Edition)
College and university attendance is associated with developmental advances College and university attendance is associated with developmental advances
Video: Carbon fixing adaptations Animation

For a complete list of videos, visit our video library