# Question

Refer to Exercise 7.100. Assume that 73% of adults age 18 years and older are in favor of raising taxes on those with annual incomes of $1 million or more to help cut the federal deficit. A random sample of 900 American adults age 18 years and older is selected.

a. Find the probability that the sample proportion is

i. Less than .76

ii. Between .70 and .75

b. What is the probability that the sample proportion is within .025 of the population proportion?

c. What is the probability that the sample proportion is greater than the population proportion by .03 or more?

a. Find the probability that the sample proportion is

i. Less than .76

ii. Between .70 and .75

b. What is the probability that the sample proportion is within .025 of the population proportion?

c. What is the probability that the sample proportion is greater than the population proportion by .03 or more?

## Answer to relevant Questions

According to a Pew Research Center nationwide telephone survey of American adults conducted by phone between March 15 and April 24, 2011, 25% of American college graduates said that their student loans make it harder for ...A city is planning to build a hydroelectric power plant. A local newspaper found that 53% of the voters in this city favor the construction of this plant. Assume that this result holds true for the population of all voters ...Consider a large population with µ = 60 and σ = 10. Assuming n/N < .05, find the mean and standard deviation of the sample mean, , for a sample size of a. 18 b. 90 The living spaces of all homes in a city have a mean of 2300 square feet and a standard deviation of 500 square feet. Let be the mean living space for a random sample of 25 homes selected from this city. Find the mean and ...The GPAs of all 5540 students enrolled at a university have an approximately normal distribution with a mean of 3.02 and a standard deviation of .29. Let be the mean GPA of a random sample of 48 students selected from this ...Post your question

0