# Question

The population proportion is .30. What is the probability that a sample proportion will be within ± .04 of the population proportion for each of the following sample sizes?

a. n = 100

b. n = 200

c. n = 500

d. n = 1000

e. What is the advantage of a larger sample size?

a. n = 100

b. n = 200

c. n = 500

d. n = 1000

e. What is the advantage of a larger sample size?

## Answer to relevant Questions

The Wall Street Journal reported that the age at first startup for 55% of entrepreneurs was 29 years of age or less and the age at first startup for 45% of entrepreneurs was 30 years of age or more (The Wall Street Journal, ...The Food Marketing Institute shows that 17% of households spend more than $100 per week on groceries. Assume the population proportion is p = .17 and a sample of 800 households will be selected from the population.a. Show ...A researcher reports survey results by stating that the standard error of the mean is 20. The population standard deviation is 500.a. How large was the sample used in this survey?b. What is the probability that the point ...A 95% confidence interval for a population mean was reported to be 152 to 160. If σ = 15, what sample size was used in this study?Consumption of alcoholic beverages by young women of drinking age in the United Kingdom, the United States, and Europe was reported (The Wall Street Journal, February 15, 2006). Data (annual consumption in liters) consistent ...Post your question

0