Author Question: A random sample of 1001 Americans aged 18-24 years showed that 51 believe their health is extremely ... (Read 74 times)

daltonest1984

  • Hero Member
  • *****
  • Posts: 536
A random sample of 1001 Americans aged 18-24 years showed that 51 believe their health is extremely important. An approximate 95 confidence interval for the proportion of all 18-24 year olds who believe that their health is extremely important is
 a. between 41 and 61.
  b. between 46 and 56.
  c. between 48 and 54.
  d. between 50 and 52.

Question 2

A random sample of Americans at least 65 years old showed that 32 believe their health is extremely important. If the sample size was 100, approximately what was the margin of error?
 a. 1
  b. 5
  c. 10
  d. 15



cassie_ragen

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

C

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

For a complete list of videos, visit our video library