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

Author Question: Heights of college women have a distribution that can be approximated by a normal curve with a mean ... (Read 203 times)

Capo

  • Hero Member
  • *****
  • Posts: 545
Heights of college women have a distribution that can be approximated by a normal curve with a mean of 65 inches and a standard deviation equal to 3 inches. About what proportion of college women are between 65 and 67 inches tall?
 a. 0.75
  b. 0.50
  c. 0.25
  d. 0.17

Question 2

A CBS News poll taken in January 2010 asked a random sample of 1,090 adults in the US Do you think the federal government is adequately prepared to deal with a major earthquake in the United States, or not? A 95 confidence interval for the proportion of the population that thinks the government is prepared is .31 to .37 . Based on this result, which one of the following statements is false?
 a. It is reasonable to say that a majority of adults in the US think the federal government is prepared to deal with a major earthquake.
  b. It is reasonable to say that fewer than half of adults in the US think the federal government is prepared to deal with a major earthquake.
  c. It is possible that approximately 35 of adults in the US think the federal government is prepared to deal with a major earthquake.
  d. A 99 confidence interval for the proportion of the population that thinks the government is prepared would be wider than the 95 confidence interval given above.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bfulkerson77

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

C

Answer to Question 2

A




Capo

  • Member
  • Posts: 545
Reply 2 on: Jul 24, 2018
Gracias!


shailee

  • Member
  • Posts: 392
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

For a complete list of videos, visit our video library