# Question: In a particular year 40 of home sales were partially

In a particular year 40% of home sales were partially financed by the seller. A random sample of 250 sales is examined.

a. The probability is 0.8 that the sample proportion is more than what amount?

b. The probability is 0.9 that the sample proportion is less than what amount?

c. The probability is 0.7 that the sample proportion differs from the population proportion by how much?

a. The probability is 0.8 that the sample proportion is more than what amount?

b. The probability is 0.9 that the sample proportion is less than what amount?

c. The probability is 0.7 that the sample proportion differs from the population proportion by how much?

## Answer to relevant Questions

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 ...Prairie Flower Cereal, Inc., is a small but growing producer of hot and ready-to-eat breakfast cereals. The company was started in 1910 by Gordon Thorson, a successful grain farmer. You have been asked to test the ...Show algebraically that Equation 7.23 is equal to Equation 7.24. That is, Find the standard error to estimate the population mean for each of the following. a. n = 17; 95% confidence level; s = 16 b. n = 25; 90% confidence level; s2 = 43 How much do students pay, on the average, for textbooks during the first semester of college? From a random sample of 400 students the mean cost was found to be $357.75, and the sample standard deviation was $37.89. Assuming ...Post your question