Mean Annual Salary

Question

The mean annual salary of classroom teachers is approximately normal with a mean of $45,915. Assume a standard deviation of $8000. Do the following for the variable “annual salary” of classroom teachers.

a) Determine the sampling distribution of the sample mean for sample of size 64.

The sample mean is

The sample standard deviation is

b) Determine the sampling distribution of the sample mean for samples of size 256.

The sample mean is

The sample standard deviation is

c) What is the probability that the sampling error made in estimating the population mean salary of all classroom teachers by the mean salary of the sample of 64 classroom teachers will be most $1000? (round to 4 decimal places)

d) What is the probability that the sampling error made in estimating the population mean salary of all classroom teachers by the mean salary of a sample of 256 classroom teachers will be at most $1000? ( round to 4 decimal place) 

Question

Why did the project fail to achieve its objectives in some villages? The experience of the Upland Settlement Project (USP) in Bangladesh

Search the Library for a notable project that in your view, failed primarily because it lacked available resources. Post your example in the discussion forum along with the supporting evidence, and make your case for resources as the root cause of the project failure. There are many reasons for project failure – so finding one that is clearly linked to resources as the root cause of its demise will not be easy.