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

Author Question: In a survey of n = 100 teachers, 50 preferred year-around school. Set the .95 confidence interval ... (Read 33 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
on: Jun 20, 2018
In a survey of n = 100 teachers, 50 preferred year-around school. Set the .95 confidence interval around this sample proportion.
 
  a. .40 to .60
  c. .50 to .60
  b. .45 to .55
  d. .55 to .65

Question 2

A university surveyed 36 randomly selected graduate students in a pilot study and found that 27 said they favored the new university health insurance plan and 9 said they opposed it. How many students must the university survey in order to make an estimate of how all graduate students feel about the plan with a margin of error to be no more than 5 percentage points? Use the 95 percent confidence level.
 
  a. 187
  c. 366
  b. 288
  d. 950


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

poopface

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

B


leilurhhh

  • Member
  • Posts: 560
Reply 2 on: Jun 20, 2018
Excellent

anyusername12131

  • Member
  • Posts: 327
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

A young Lipizzan at the Spanish Riding School in training equipment, wearing saddle, bridle and long A young Lipizzan at the Spanish Riding School in training equipment, wearing saddle, bridle and long
school is never ending school is never ending
The Black Death spread over much of Europe in a three-year period in the middle of the fourteenth ce The Black Death spread over much of Europe in a three-year period in the middle of the fourteenth ce
Age-standardized disability-adjusted life year (DALY) rates from hepatitis B by country (per 100 000 ... Age-standardized disability-adjusted life year (DALY) rates from hepatitis B by country (per 100 000 ...
Sketch a graph of the function h(x), by hand on the following interval: Sketch a graph of the function h(x), by hand on the following interval:
First day of school kindergarten First day of school kindergarten
Video: hGH, Thyroid hormones & Aldosterone

For a complete list of videos, visit our video library