Author Question: Two independent simple random samples are taken to test the difference between the means of two ... (Read 85 times)

Marty

  • Hero Member
  • *****
  • Posts: 553
Two independent simple random samples are taken to test the difference between the means of two populations whose standard deviations are not known, but are assumed to be equal. The sample sizes are n1 = 25 and n2 = 35 . The correct distribution to use is the
 a. t distribution with 61 degrees of freedom.
  b. t distribution with 60 degrees of freedom.
  c. t distribution with 59 degrees of freedom.
  d. t distribution with 58 degrees of freedom.

Question 2

When there is probabilistic demand in a multi-period model, the inventory level will not decrease smoothly and can fall below 0.
 a. True
  b. False
  Indicate whether the statement is true or false



mathjasmine

  • Sr. Member
  • ****
  • Posts: 312
Answer to Question 1

d

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

For a complete list of videos, visit our video library