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

Author Question: At one college, GPA's have a bell-shaped distribution with a mean of 2.9 and a standard deviation of ... (Read 99 times)

joesmith1212

  • Hero Member
  • *****
  • Posts: 549
on: Aug 1, 2018
At one college, GPA's have a bell-shaped distribution with a mean of 2.9 and a standard deviation of 0.4. What percentage of students at the college have a GPA between 2.5 and 3.3?
 
  A) 99.7 B) 95 C) 68

Question 2

If H0 is true in a chi-square test of independence, then the expected and observed .
 
  a. means in a cell of a contingency table should be about equal
  b. standard deviations in a cell of a contingency table should be about equal
  c. frequencies in a cell of a contingency table should be unequal
  d. frequencies in a cell of a contingency table should be about equal


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ahnyah

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Aug 1, 2018
Answer to Question 1

C

Answer to Question 2

D


joesmith1212

  • Member
  • Posts: 549
Reply 2 on: Aug 1, 2018
YES! Correct, THANKS for helping me on my review

gcook

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

The spatial distribution of trees in three separate stands of different ages on Vancouver Island (da The spatial distribution of trees in three separate stands of different ages on Vancouver Island (da
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 ...
Harlem’s Promise Academy has a record of graduating and sending to college more than 90 percent ... Harlem’s Promise Academy has a record of graduating and sending to college more than 90 percent ...
ROM exercises on a patient’s wrist: ulnar deviation. ROM exercises on a patient’s wrist: ulnar deviation.
The distribution of the sarcoplasmic reticulum and tubules around myofibrils of skeletal muscle. The distribution of the sarcoplasmic reticulum and tubules around myofibrils of skeletal muscle.
Distribution of F1 and F2 Progeny Derived from a Theoretical Cross Involving Tomatoes Distribution of F1 and F2 Progeny Derived from a Theoretical Cross Involving Tomatoes
Video: Arthritis

For a complete list of videos, visit our video library