Author Question: Before dawn Josh hurriedly packed some clothes for a job-interview trip while his roommate was still ... (Read 33 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?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

For a complete list of videos, visit our video library