Author Question: The MBA program at Dover College has an enrollment of 160 students with an average age of 34.7 years ... (Read 216 times)

darbym82

  • Hero Member
  • *****
  • Posts: 570
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


yasmin

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

For a complete list of videos, visit our video library