#### Question Details

Q. A simple random sample of size 8 from an infinite population is to be selected. Each possible sample should have?

Q. A company is interested in the ages of its employees. A simple random sample of 25 employees was selected. The following descriptive statistics for their ages were computed: x= 31.5(s^{2}= 12.96)What is a point estimate of the population standard deviation for age?

Q.Â If we consider the simple random sampling process as an experiment, the sample mean,

, is?

Q.Suppose the salaries of university professors are approximately normally distributed with a mean of $65,000 and a standard deviation of $7,000. If a random sample of size 25 is taken and the mean is calculated, what is the probability that the mean value will be between $62,500 and $64,000?

Q.How many simple random samples of size 10 can be selected from a finite population of size 120?

Q.The CEO of a large corporation is interested in the average salary of all managers for his large corporation. A sample of 500 managers found the average salary to be $42,500. Which of the following statements is correct?

Q.What will happen to the standard error of the sampling distribution ofif the sample size is increased?

Q.Suppose 15 students pass an exam in a class of size 25. If the population proportion of students who pass the exam is 0.65, what is the value of?

Q.From a finite population of 450 clients, a sample of 120 is selected. It is known that the variance of the population is 75. The standard error of the mean is approximately

Q.What does the sampling distribution describe?

Q.

Starting salaries of a sample of five management majors along with their genders are shown below.

If we select simple random samples of size 2 from the given data, what is the probability of any of the five employees being selected first?

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DATE ANSWEREDSep 05, 2019

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