Develop confidence interval for proportion of population

Reference no: EM13121251

A survey of customer service in retail stores has been made. The survey found that 182 of Americans feel customer service is better today than it was two years ago. If 650 adults were included in the sample, develop a 95% confidence interval for the proportion of the population of adults who feel customer service is better today than it was 2 years ago.

Reference no: EM13121251

Questions Cloud

What molecule serves as the way of entry for lipid-derived : What molecule serves as the way of entry for lipid-derived fatty acids in the TCA cycle?

Parabolas and quadratic functions word problems : The formula h(s) = -32s2 + 400s + 8 models a rocket's height, h, in feet, s seconds after launching. Find the height, h(s), five seconds after launch.

Complex solution to quadratic equation : Find the complex solution to this quadratic equation: x^2 + 6x + 10 = 0.

Develop a joint probability table and show : Develop a joint probability table and show the marginal probabilities. What is the probability of a household whose income exceeds $40,000 and who rejects the offer?

Develop confidence interval for proportion of population : Develop a 95% confidence interval for the proportion of the population of adults who feel customer service is better today than it was 2 years ago.

How can a microbial cell obtain nutrients : in most environments, the nutrient concentrations outside the cell are lower than inside the cell. how can a microbial cell obtain nutrients if the concentration gradient is NOT favorable?

Parabolas and quadratic equations : The total profit (in dollars) for sales of x rowing machines is given by P(x) = -0.2x^2 + 300x - 200. What is the profit if 500 are sold? For what value of x will the profit be at a maximum?

Units started by moyer during the month : In Moyer Company, the Cutting Department had beginning work in process of 6,000 units, transferred out 14,000 units, and had an ending work in process of 3,000 units. How many units were started by Moyer during the month?

Defines and explains a closed system : Defines and explains a closed system and provides an example and explains the inner and outer flows of a closed system.

User Account

All Pages