Probability of salary levels for faculty

Assignment Help Basic Statistics
Reference no: EM13100528

The population mean annual salary for first year faculty at SLU is $47,000. Assuming that the population standard deviation is $1800:

1.) What is the probability that one randomly selected faculty member at SLU has a salary less than $46,000?

2) Suppose that 10 faculty members are randomly selected. What is the probability that the mean annual salary of the example, is less than $46,000

3) Suppose that 20 faculty members are randomly selected. What is the probability that the mean annual salary of the sample is less than $46,000

4) What is the prbability that one randomly selected faculty member at SLU has a salary less than $47,000?

Reference no: EM13100528

Questions Cloud

Weighted mean of three test scores : Find the weighted mean of three test scores for a student (85, 90, 75) where the first test counts for 20%, the second test counts for 30%, and the third counts for 50% of the final grade.
What would be the buoyant force experienced : Mercury is about 13.6 times the density of the human body. Assume that a person (Weight = 150lb {one could only wish}) were totally immersed in the mercury; what would be the buoyant force experienced by that person?
Evaluate the divisional hurtle rates for division : Evaluate the divisional hurtle rates for each division. Suppose that all divisions use 45 percent debt ratio for this purpose.
Normal probability-diameter of peaches in orchard : The diameters of peaches in a certain orchard are normally distributed with a mean of 5.10 inches and a standard deviation of 0.40 inches.
Probability of salary levels for faculty : The population mean annual salary for first year faculty at SLU is $47,000. Assuming that the population standard deviation is $1800:
Aggregate production schedule for constant workforce : Shoney Video Concepts produces a line of video streaming servers that are linked to personal computers for storing movies. These devices have very fast access and large storage capacity.
Find factors do not affect pressure at the bottom of a cup : Which of the following factors do not affect the pressure at the bottom of a cup? Explain answer a. Depth of the liquid b. Density of the liquid c. The value of the acceleration of gravity d. The shape of the cup
Break-even point for a given month : What is the net income of SouthCo if unit sales are twice the break-even point for a given month?
How low can we profitably go? : Prepare a memo: How Low Can We Profitably Go -  Recent reports reveal that Everest has started a new wave of construction in the Kansas City area, after having stopped their expansion one year ago. Their financial health has apparently improved ov..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Test for single mean - what do you conclude

Test for single mean - What do you conclude - Compute z and P

  Coefficient of determination between hours studied

For one of the first statistics exam, the coefficient of determination between hours studied and the grade earned was 80 percent. The standard error of estimate was 10.

  Probability from frequency distribution

A survey of 100 clients of pacific gas and electric resulted in the following frequency distribution of monthly charges.

  What is the variance of expense forecast

The budgeting process for a Midwestern college resulted in expense forecasts for the coming year (in $ millions) of $9, $10, $11, $12, and $13. Since the actual expenses are unknown, the following respective probabilities are assigned: .3, .2, .25..

  Linear programming-valley fruit products company

Valley Fruit Products Company has contracted with apple growers in Ohio, Pennsylvania, and New York to purchase apples that the company then ships to its plants in Indiana and Georgia

  Decision regarding the null hypothesis

Mention your decision regarding the null hypothesis. If H 0 rejected can we conclude that treatment 2 and treatment 3 differ? Use 95 percent level of confidence.

  Test of significance for average salary

If the city manager knows the average salary nationally is $38,300, which test of significance should be used? Why?

  Characteristics of an index number

Index number acts as a barometer for measuring the value of money. What are the characteristics of an index number? State its utility.

  Significant relationship between the two variables

Be certain to mention the direction of the relationship, the strength of the relationship, and whether our findings are statistically significant

  Population proportion of college students

Provide a 99% confidence interval for the population proportion of college students who worked to pay for tuition and living expenses.

  Statement of p-value for test by chi-square table

Based on chi-square table, what is the most correct statement which can be made about the p-value for the test?

  Critical value approach to determine the mean age

At the 5% significance level, can the station conclude that the mean age of its listeners is not 25 yrs. Formulate and test the appropriate hypotheses. Use the critical value approach.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd