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

Author Question: The formula for calculating a confidence interval for a population proportion is based on the rule ... (Read 108 times)

mpobi80

  • Hero Member
  • *****
  • Posts: 519
The formula for calculating a confidence interval for a population proportion is based on the rule of sample proportions, which has assumptions that need to be met. What is the most important assumption that you need to check before applying the confidence interval formula to a sample proportion?

Question 2

Using one divided by the square root of the sample size is known as a conservative' formula for the margin of error for a sample proportion. Explain what that means.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

wfdfwc23

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

THE SAMPLE SIZE MUST BE LARGE ENOUGH SO THAT YOU ARE LIKELY TO SEE AT LEAST FIVE OF EACH OF THE TWO POSSIBLE RESPONSES OR OUTCOMES.

Answer to Question 2

THE TRUE MARGIN OF ERROR FOUND BY THE FORMULA 2  (S.D.) IS ALWAYS LESS THAN OR EQUAL TO THIS VALUE. IT IS EQUAL WHEN THE PROPORTION USED IN THE FORMULA FOR S.D. IS .50 .




mpobi80

  • Member
  • Posts: 519
Reply 2 on: Jul 24, 2018
Wow, this really help


Dnite

  • Member
  • Posts: 297
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

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

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

For a complete list of videos, visit our video library