Author Question: Before dawn Josh hurriedly packed some clothes for a job-interview trip while his roommate was still ... (Read 62 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?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

For a complete list of videos, visit our video library