Probability that sample mean exceeds population mean

Assignment Help Basic Statistics

Reference no: EM13147495

Times spent studying by statistical methods students this weekend follow a normal distribution with standard deviation 8 hrs. A random sample of 16 students was taken in order to estimate the mean study time for the population of all students. What is the probability that the sample mean exceeds the population mean by more than 2 hours?

Reference no: EM13147495

Questions Cloud

Some ways in which community policing is more easily : Describe some ways in which community policing is more easily facilitated today with the use of technology. In a minimum 200 word response, outline some methods that police departments use in order to open the lines of communication with the public. ..

Beginner model-abc costing : The company expects to incur $56,400 of total inspecting costs this year. How much of the inspecting costs should be allocated to the Beginner model using ABC costing?

Calculate the molar mass of the unknown compound : A 0.0355 g sample of an unknown molecular compound is dissolved in 1.000 g of liquid camphor at 200.0°C. Upon cooling, the camphor freezes at 157.7°C. Calculate the molar mass of the unknown compound.

Pose for an audit firm independence : List three types of consulting services that audit firms have provided to their audit clients in recent years. For each item, indicate the specific threats, if any, that the provision of the given service can pose for an audit firm's independence.

Probability that sample mean exceeds population mean : Estimate the mean study time for the population of all students. What is the probability that the sample mean exceeds the population mean by more than 2 hours?

Find the saturation mixing ratio and saturation humidity : Find the saturation mixing ratio and the saturation specific humidity for air with a pressure of 1000 mb and a) a temperature of 10 degrees celsius b) a temperature of 15 degrees celsius.

Interpersonal relationship : How has mediated communication improved your interpersonal relationship? how has it hurt them? provide examples to illustrate your point

Budgeted income statement : The company keeps no work-in-process inventory. What amount of sales revenue will be reported on the 20X4 budgeted income statement?

Describe how the body major organ systems : Why are malnourished people often more susceptible to colds and other infectious diseases?

User Account

All Pages