# Question: A candidate for office intends to campaign in a state

A candidate for office intends to campaign in a state if her initial support level exceeds 30% of the voters.

A random sample of 300 voters is taken, and it is decided to campaign if the sample proportion supporting the candidate exceeds 0.28.

a. What is the probability of a decision not to campaign if, in fact, the initial support level is 20%?

b. What is the probability of a decision not to campaign if, in fact, the initial support level is 40%?

A random sample of 300 voters is taken, and it is decided to campaign if the sample proportion supporting the candidate exceeds 0.28.

a. What is the probability of a decision not to campaign if, in fact, the initial support level is 20%?

b. What is the probability of a decision not to campaign if, in fact, the initial support level is 40%?

## Answer to relevant Questions

Given a population with mean μ = 400 and variance σ2 = 1, 600, the central limit theorem applies when the sample size is n ≥ 25. A random sample of size n = 35 is obtained. a. What are the mean and variance of the ...Another product packaged by Prairie Flower Cereal, Inc., is an apple-cinnamon cereal. To test the packaging process of 40-ounce (1,134-gram) packages of this cereal, 23 samples of six packages each are randomly sampled and ...The demand for bottled water increases during the hurricane season in Florida. The operations manager at a plant that bottles drinking water wants to be sure that the filling process for 1-gallon bottles (1 gallon is ...Calculate the margin of error to estimate the population mean for each of the following. a. 99% confidence level; x1 = 25; x2 = 30; x3 = 33; x4 = 21 b. 90% confidence level; x1 = 15; x2 = 17; x3 = 13; x4 = 11; x5 = 14 There is concern about the speed of automobiles traveling over a particular stretch of highway. For a random sample of 28 automobiles, radar indicated the following speeds, in miles per hour: Assuming a normal population ...Post your question