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

Author Question: A confidence interval was used to estimate the proportion of statistics students who are female. A ... (Read 75 times)

Pineapplelove6

  • Hero Member
  • *****
  • Posts: 560
on: Jun 24, 2018
A confidence interval was used to estimate the proportion of statistics students who are female. A random sample of 72 statistics students generated the following 90 confidence interval: (0.438, 0.642). Using the information above, what total size sample would be necessary if we wanted to estimate the true proportion to within 0.08 using 95 confidence?
 
  A) 105 B) 597 C) 420 D) 150

Question 2

A university dean is interested in determining the proportion of students who receive some sort of financial aid. Rather than examine the records for all students, the dean randomly selects 200 students and finds that 118 of them are receiving financial aid. If the dean wanted to estimate the proportion of all students receiving financial aid to within 3 with 99 reliability, how many students would need to be sampled?
 
  A) n = 1,503 B) n = 1,844 C) n = 1,784 D) n = 1,435


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

asdfasdf

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

C


Pineapplelove6

  • Member
  • Posts: 560
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

6ana001

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Female individuals of the banded Uromastyx, Uromastyx flavofasciata, are different colours. Most nat Female individuals of the banded Uromastyx, Uromastyx flavofasciata, are different colours. Most nat
A female gorilla exhibiting tool use by using a tree trunk as a support whilst fishing herbs. A female gorilla exhibiting tool use by using a tree trunk as a support whilst fishing herbs.
Female Breast Lymphatic Drainage Female Breast Lymphatic Drainage
Dewey and the reformers attacked classes, such as this one, circa 1900, where students sat up straig Dewey and the reformers attacked classes, such as this one, circa 1900, where students sat up straig
More young men than women live in their parents’ homes, though the proportion for both decreases ... More young men than women live in their parents’ homes, though the proportion for both decreases ...
The time spent in each interval of one complete cell cycle of a human cell in culture The time spent in each interval of one complete cell cycle of a human cell in culture
Video: Four Giant Convection Cells oF Earth

For a complete list of videos, visit our video library