« previous next »

Author Question: The MBA program at Dover College has an enrollment of 160 students with an average age of 34.7 years ... (Read 221 times)

darbym82

  • Hero Member
  • *****
  • Posts: 570
on: Jun 24, 2018
The MBA program at Dover College has an enrollment of 160 students with an average age of 34.7 years old and a standard deviation 5.2 years. A random sample of 40 MBA students was selected.
 
  What is the probability that the average age of the sample is less than 34 years old?A) 0.4443
  B) 0.3300
  C) 0.2946
  D) 0.1635

Question 2

The critical z-score for a 98 confidence level is ________.
 
  A) 1.28
  B) 1.96
  C) 2.33
  D) 2.575
Business Statistics ¦ Donnelly ¦ 2nd Edition
Buy Test-Bank


yasmin

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan
Dewey and the reformers attacked classes, such as this one, circa 1900, where students sat up straig Dewey and the reformers attacked classes, such as this one, circa 1900, where students sat up straig
On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a
The National School Lunch Program The National School Lunch Program
Average Distribution of Incoming Solar Radiation Average Distribution of Incoming Solar Radiation
Earth 150 Million Years Ago Earth 150 Million Years Ago
Video: Structures that affect circulation - venous return

For a complete list of videos, visit our video library