If the population distribution is $4,000, what is the probability the sample mean calculated using a simple random sample of size 100 will be within $500 of the population mean (μ = $71,800)? Refer to the following formula and tables. σ x   =   σ n z = x – μ σ x standardnormaltable fro0.0to2.09.png Normal standard distribution table.png

If the population proportion is 0.6, what is the proportion of obtaining a value of  that is within 0.05 of the population proportion (p) of the MSSU students participating in the ethical training program? (Sample size is 100.) Refer to the following formula and tables. σ p   =   p ( 1 – p ) n z = p – p σ p standardnormaltable fro0.0to2.09.png Normal standard distribution table.png

The school’s newspaper reported that the proportion of students majoring in business is at least 30%. You plan on taking a sample to test the newspaper’s claim. The correct set of hypotheses is ____________________________________.

A Type I error is committed when ________________________________________________________________.

The standard deviation of x is referred to as the ___________________________.

A simple random sample of 5 observations from a population containing 400 elements with μ= 20 was taken, and the following values were obtained.12, 18, 19, 20, 21A point estimate of the population mean is ____________.

The academic planner of a university thinks that at least 35% of the entire student body attends summer school. The correct set of hypotheses to test his belief is _____________________________________.

In tests about a population proportion, p0 represents the __________________________________.

An example of statistical inference is ___________________________.

The t value with a 95% confidence and 24 degrees of freedom is _____________. Refer to the following table. largepreview.png