Author Question: Holding the width of a confidence interval fixed, increasing the level of confidence can be achieved ... (Read 101 times)

khang

  • Hero Member
  • *****
  • Posts: 569
Holding the width of a confidence interval fixed, increasing the level of confidence can be achieved with a lower sample size.
 
  Indicate whether the statement is true or false

Question 2

You were told that the amount of time lapsed between consecutive trades on the New York Stock Exchange followed a normal distribution with a mean of 15 seconds. You were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13. The probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7. The middle 86 of the time lapsed will fall between which two numbers?
 
  What will be an ideal response?



ryansturges

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

FALSE

Answer to Question 2

13 seconds and 17 seconds



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

For a complete list of videos, visit our video library