Author Question: The probability is 0.3 that a person shopping at a certain store will spend less than 20. For groups ... (Read 65 times)

tatyanajohnson

  • Hero Member
  • *****
  • Posts: 569
The probability is 0.3 that a person shopping at a certain store will spend less than 20. For groups of size 23, find the mean number who spend less than 20.
 
  A) 16.1 B) 6.0 C) 14.0 D) 6.9

Question 2

The statistic used for the Wilcoxon signed-ranks test is .
 
  a. T
  b. F
  c. U
  d. 2



ecox1012

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

D

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

tatyanajohnson

  • Hero Member
  • *****
  • Posts: 569
Both answers were spot on, thank you once again




 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

The human body produces and destroys 15 million blood cells every second.

For a complete list of videos, visit our video library