Author Question: Without doing the calculations, state in which of the following ranges the sample proportion is most ... (Read 25 times)

CharlieWard

  • Hero Member
  • *****
  • Posts: 578
Without doing the calculations, state in which of the following ranges the sample proportion is most likely to be:
 
  0.27 to 0.29, 0.28 to 0.30, 0.29 to 0.31, and 0.30 to 0.32.

Question 2

A random sample of size 10 is selected from a normal population, where the population standard deviation is unknown. Assume that a two-tailed test at the 0.10 significance level is to be used.
 
  For what value of t will the null hypothesis not be rejected?A) to the left of -1.812 or to the right of 1.812
  B) to the left of -1.372 or to the right of 1.372
  C) to the left of -1.833 or to the right of 1.833
  D) to the left of -1.383 or to the right of 1.383



tofugiraffe

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

The sample proportion is most likely to be in the range 0.27 to 0.29.

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

For a complete list of videos, visit our video library