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

Author Question: If we change a 95 confidence interval estimate to a 99 confidence interval estimate, we can expect ... (Read 171 times)

robinn137

  • Hero Member
  • *****
  • Posts: 544
on: Jun 24, 2018
If we change a 95 confidence interval estimate to a 99 confidence interval estimate, we can expect the _____.
 a. width of the confidence interval to increase
  b. width of the confidence interval to decrease
  c. width of the confidence interval to remain the same
  d. sample size to increase

Question 2

The life expectancy of a particular brand of tire is normally distributed with a mean of 40,000 and a standard deviation of 5,000 miles. What is the random variable in this experiment?
 a. Life expectancy of this brand of tire
  b. Normal distribution
  c. 40,000 miles
  d. None of the answers is correct.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cassie_ragen

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jun 24, 2018
Answer to Question 1

a

Answer to Question 2

a


robinn137

  • Member
  • Posts: 544
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

ryansturges

  • Member
  • Posts: 338
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Stages of Health Behavior Change Stages of Health Behavior Change
Religion can promote social change, as was evident in the U.S. civil rights movement. Dr. Martin ... Religion can promote social change, as was evident in the U.S. civil rights movement. Dr. Martin ...
Despite the globe’s vast social change, people all over the world continue to make race a ... Despite the globe’s vast social change, people all over the world continue to make race a ...
Hares and Lynx population change "الأرانب البرية و الوشق" Hares and Lynx population change "الأرانب البرية و الوشق"
Historical Climate Change "تغير المناخ التاريخي" Historical Climate Change "تغير المناخ التاريخي"
The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ... The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ...
Video: Passive Smoke Exposure

For a complete list of videos, visit our video library