Author Question: The probability is 0.3 that a person shopping at a certain store will spend less than 20. For groups ... (Read 51 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?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

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.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Medication errors are three times higher among children and infants than with adults.

For a complete list of videos, visit our video library