What is the shape mean expected value and standard

Reference no: EM13627659

Assume that the population proportion of all business professionals who select an airline based on price is 0.25. A random sample of 225 business professionals is to be taken for further study.

A) What is the shape, mean (expected value), and standard deviation of the sampling distribution of the sample proportion for samples of size 225?

B) What is the probability that our sample of 225 results in a sample proportion that falls within 3 percent (+/- .03) of the population value?

Reference no: EM13627659

Questions Cloud

An air-standard otto cycle has a compression ratio of 75 : an air-standard otto cycle has a compression ratio of 7.5. the maximum and minimum cycle temperatures are 1600 k and

Consider a 100 mw power plant consisting of an adiabatic : consider a 100 mw power plant consisting of an adiabatic steam turbine a constant pressure condenser an adiabatic pump

An aluminum transmission line with a diameter of 20mm has : an aluminum transmission line with a diameter of 20mm has an electrical resistance of r 2.636x10-4 ohmsm and carries

A heat pump supplies 40 kw of heat to maintain the inside : a heat pump supplies 40 kw of heat to maintain the inside of a house at 25c in cold winter months when the ambient

What is the shape mean expected value and standard : assume that the population proportion of all business professionals who select an airline based on price is 0.25. a

For a ballistic missile loaded with candy launched with the : for a ballistic missile loaded with candy launched with the following conditions burnout altitude 200km burnout

An insulated rigid container is separated into two parts : an insulated rigid container is separated into two parts using a partition that is free to move and the partition

Two converging lenses are separated by 2340 cm the focal : two converging lenses are separated by 23.40 cm. the focal length of each lens is 12.20 cm. an object is placed 36.40

A study of 24 graduates of four-year colleges revealed the : a study of 24 graduates of four-year colleges revealed the mean amount owed by a student in student loans was 14381.

User Account

All Pages