This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: When +1.645 is used as the critical value instead of 1.96, a. the total probability of the region ... (Read 9 times)

HCHenry

  • Hero Member
  • *****
  • Posts: 591
on: Jun 20, 2018
When +1.645 is used as the critical value instead of 1.96,
 
  a. the total probability of the region of rejection is decreased.
  b. the total probability of the region of rejection is increased.
  c. the region of rejection is all placed in the positive tail.
  d. the region of rejection is all placed in the negative tail.

Question 2

In a test of physical fitness, a group of men ages 65 and older from a local retirement community were told to do as many sit-ups as they could. It is known that the population mean is 20 with . The scores for the men from the retirement community are given below. Use a two-tailed rejection region with a total area of 0.05 . What should you conclude? 24 25 10 23 18 29 47 32 19 24 20 28 21 20 27 25
 
  a. Since the z-value falls within the region of rejection, we should conclude this sample mean likely represents some other population.
  b. Since the z-value does not fall within the region of rejection, we should not conclude this sample mean represents some other population.
  c. Since the z-value falls within the region of rejection, we should not conclude this sample mean represents some other population.
  d. Since the z-value does not fall within the region of rejection, we should conclude this sample mean likely represents some other population.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bigsis44

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

A


HCHenry

  • Member
  • Posts: 591
Reply 2 on: Jun 20, 2018
Excellent

Jossy

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

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?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

A farm family in Custer, Nebraska, in 1888, a region where Populist sentiment was strong. A farm family in Custer, Nebraska, in 1888, a region where Populist sentiment was strong.
Selected Complications of Total Parenteral Nutrition Selected Complications of Total Parenteral Nutrition
Immunofixation electrophoresis. (a) IgG kappa myeloma, (b) Controls showing total serum protein ... Immunofixation electrophoresis. (a) IgG kappa myeloma, (b) Controls showing total serum protein ...
The 122-base lac regulatory region The 122-base lac regulatory region
Agricultural Land as a Fraction of Total Wealth in the United Kingdom Agricultural Land as a Fraction of Total Wealth in the United Kingdom
ODDS AND PROBABILITY 4 QUESTIONS I NEED IT TPDAY PLEASE ANSWER ALL ODDS AND PROBABILITY 4 QUESTIONS I NEED IT TPDAY PLEASE ANSWER ALL
Video: Splitting of Sugar, Oxidation/ Reduction & ATP Generation

For a complete list of videos, visit our video library