Author Question: Before dawn Josh hurriedly packed some clothes for a job-interview trip while his roommate was still ... (Read 53 times)

savannahhooper

  • Hero Member
  • *****
  • Posts: 576
Before dawn Josh hurriedly packed some clothes for a job-interview trip while his roommate was still sleeping. He reached in his disorganized sock drawer where there were five black socks and five navy blue socks, although they appeared to be the same color in the dimly lighted room. Josh grabbed six socks, hoping that at least two, and preferably four, of them were black to match the gray suit he had packed. With no time to spare, he then raced to the airport to catch his plane.
 a. What is the probability that Josh packed at least two black socks so that he will be dressed appropriately the day of his interview?
  b. What is the probability that Josh packed at least four black socks so that he will be dressed appropriately the latter day of his trip as well?

Question 2

A regression analysis involved 6 independent variables and 27 observations. The critical value of t for testing the significance of each of the independent variable's coefficients will have
 a. 27 degrees of freedom
  b. 26 degrees of freedom
  c. 21 degrees of freedom
  d. 20 degrees of freedom



Anna

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

a. .976
b. .262

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

For a complete list of videos, visit our video library