Assume That a Sample Is Used to Estimate a Population

question 102

Multiple Choice

Assume that a sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level. Round the margin of error to four decimal places.
98% confidence; the sample size is 800, of which 40% are successes

• A) 0.0339
• B) 0.0446
• C) 0.0355
• D) 0.0404

---

Definitions:

Injury

Physical harm or damage to someone's body caused by an accident or violence.

Lofstrand/Canadian

Refers to a specific type of crutches with forearm support, commonly used in Canada.

Forearm Crutch

A type of support device used to assist with walking, which is held and supported by the forearm.

Crutches

Assistive devices used to transfer weight from the legs to the upper body during walking, typically used when a person is unable to use their legs fully.