This topic contains a solution. Click here to go to the answer

Author Question: A poll investigating the level of public support for proposed gun control legislation reported that ... (Read 27 times)

james9437

  • Hero Member
  • *****
  • Posts: 568
A poll investigating the level of public support for proposed gun control legislation reported that 66 of the respondents were in favor. The pollsters reported a sampling error of 2.
 
  When the responses were broken down by gender, support was 3 higher among women than men. The pollsters said the margin of error for this difference was 3. Why is the margin of error larger for the difference in support between the genders than for the overall level of support?

Question 2

According to government data, the probability than an adult never had the flu is 19. You randomly select 70 adults and ask if he or she ever had the flu.
 
  Decide whether you can use the normal distribution to approximate the binomial distribution, If so, find the mean and standard deviation, If not, explain why. Round to the nearest hundredth when necessary.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

SomethingSomething

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

Differences have a larger standard error than single samples.

Answer to Question 2

use normal distribution,  = 13.3 and  = 3.28.





 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

For a complete list of videos, visit our video library