Author Question: The test statistic that is used when testing hypotheses about the difference between two population ... (Read 126 times)

jCorn1234

  • Hero Member
  • *****
  • Posts: 545
The test statistic that is used when testing hypotheses about the difference between two population proportions is the t-value from the t-distribution.
 
  Indicate whether the statement is true or false

Question 2

It is assumed that the time failures for an electronic component are exponentially distributed with a mean of 50 hours between consecutive failures.
 
  Based on this information, what is the probability that a randomly selected part will fail in less than 10 hours?A) About 0.82
  B) About 0.20
  C) About 0.33
  D) About 0.18



Sarahjh

  • Sr. Member
  • ****
  • Posts: 370
Answer to Question 1

FALSE

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

For a complete list of videos, visit our video library