Mathematics, 23.05.2020 03:01 bunny2288
A survey of 2306 adult Americans aged 18 and older conducted by Harris Interactive found that 417 have donated blood in the past two years.
a. Obtain a point estimate for the population proportion of adult Americans aged 18 and older who have donated blood in the past two years.
b. Construct a 90% confidence interval for the population proportion of adult Americans who have donated blood in the past two years.
c. Interpret the interval.
d. Verify that the requirements for constructing a confidence interval about p are satisfied. Are the requirements for constructing a confidence interval about p satisfied?
1. Yes, the requirements for constructing a confidence interval are satisfied.
2. No, the requirement that the sample be a simple random sample is not satisfied.
3. No, the requirement that the sample size is no more than 5% of the population is not satisfied.
Answers: 2
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