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

Author Question: A student obtains a sample of college students by interviewing her friends. A) Yes B) ... (Read 97 times)

Bernana

  • Hero Member
  • *****
  • Posts: 530
on: Aug 2, 2018
A student obtains a sample of college students by interviewing her friends.
 
  A) Yes B) No

Question 2

Scores on the final exam in Math 160 have a mean of 73 and standard deviation of 7.8.If 24 students are randomly selected, find the probability that the mean of their test scores is less than 70.
 
  A) 0.1006 B) 0.9699 C) 0.0278 D) 0.0301


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Yixagurpuldink

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Aug 2, 2018
Answer to Question 1

B

Answer to Question 2

D


Bernana

  • Hero Member
  • *****
  • Posts: 530
Reply #2 on: Aug 2, 2018
Thanks


Yixagurpuldink

  • Sr. Member
  • ****
  • Posts: 341
Reply #3 on: Aug 2, 2018
Welcome :)


« previous next »
 

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

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.

Model of a longitudinal study in which 983 students were surveyed in 1984 and then again in 1985, 19 Model of a longitudinal study in which 983 students were surveyed in 1984 and then again in 1985, 19
Sample root cause analysis: Duplicate dose of a narcotic analgesic. Sample root cause analysis: Duplicate dose of a narcotic analgesic.
Students working in a group Students working in a group
Sample budget spreadsheet form for first year of business. Sample budget spreadsheet form for first year of business.
Sample of a business card design. Sample of a business card design.
A random sample of 87 airline pilots recruited by an airline service had an average yearly ... A random sample of 87 airline pilots recruited by an airline service had an average yearly ...
Video: Random alignment at Metaphase I Animation

For a complete list of videos, visit our video library