Author Question: The county clerk wants to estimate the proportion of voters who will need special election ... (Read 98 times)

darbym82

  • Hero Member
  • *****
  • Posts: 570
The county clerk wants to estimate the proportion of voters who will need special election facilities. Suppose a sample of 400 voters was taken. If 150 need special election facilities, calculate a 90 confidence interval for the population proportion.
 
  What will be an ideal response?

Question 2

The interval between patients arriving at an outpatient clinic follows an exponential distribution at a rate of 1 patient per hour. What is the probability of that randomly chosen arrival interval will be more than 1 hour?
 
  What will be an ideal response?



amy.lauersdorf90

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

0.3352 to 0.4148

Answer to Question 2

0.3679



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

For a complete list of videos, visit our video library