This topic contains a solution. Click here to go to the answer

Author Question: A quiz consists of 780 true or false questions. If the student guesses on each question, what is the ... (Read 127 times)

asmith134

  • Hero Member
  • *****
  • Posts: 576
A quiz consists of 780 true or false questions. If the student guesses on each question, what is the standard deviation of the number of correct answers?
 
  A) 13.96424 B) 0 C) 2 D) 19.7484177

Question 2

A local eat-in pizza restaurant wants to investigate the possibility of starting to deliver pizzas. The owner of the store has determined that home delivery will be successful if the average time spent on the deliveries does not exceed 32 minutes.
 
  The owner has randomly selected 23 customers and has delivered pizzas to their homes in order to test if the mean delivery time actually exceeds 32 minutes. Suppose the P-value for the test was found to be 0.0297. State the correct conclusion. A) At  = 0.025, we fail to reject H0. B) At  = 0.05, we fail to reject H0.
  C) At  = 0.02, we reject H0. D) At  = 0.03, we fail to reject H0.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aruss1303

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

A

Answer to Question 2

A




asmith134

  • Member
  • Posts: 576
Reply 2 on: Jul 24, 2018
Wow, this really help


abro1885

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

For a complete list of videos, visit our video library