Probability that sample of size yield mean greater value

Assignment Help Basic Statistics
Reference no: EM13131576

For a population consisting of 1000 employees, the variable of interest is number of days of accrued annual leave. suppose that the mean and variance are 12 and 144, respectively. what is the probability that a sample of size 100 will yield a mean greater than 9?

Reference no: EM13131576

Questions Cloud

Amides undergo hydrolysis to carboxylic acids : Amides undergo hydrolysis to carboxylic acids on treatment with alkali. Diagram a suitable mechanism for the conversion of benzamide to benzoic acid
Negotiating first nfl contract : PV of a cash flow stream A rookie quarterback is negotiating his first NFL contract. His opportunity cost is 10 percent. He has been offered three possible 4-year contracts. Payments are guaranteed, and they would be made at the end of each year.
Explain when it is appropriate to use a t-score : Suppose we wish to estimate the population mean using a confidence interval. When is it appropriate to use a z-score? When is it appropriate to use a t-score?
Product of disjoint cycles : In S(5) let pi=(245)(1354)(125). Write pi as a product of disjoint cycles and then answer the following questions. Determine pi^2, pi^5, pi^(-1).
Probability that sample of size yield mean greater value : Number of days of accrued annual leave. suppose that the mean and variance are 12 and 144, respectively. What is the probability that a sample of size 100 will yield a mean greater than 9?
Evaluate how the status of the pension fund affects : Recent events in the world of corporate finance have shown the importance of proper administration and funding of corporate pension plans. Evaluate the information in the Comparative Analysis Case of Coca-Cola and PepsiCo found in the book's compa..
How many grams of water are consumed : The reaction of calcium hydride with water can be used to prepare small quantities of hydrogen  gas, as is done to fill weather observation balloons.
Problem related to debt service funds : Which of the following debt service funds would normaly have the largest balance in its fund balance account? Serial bond debt service, Deferred serial bond debt service fund, irregular serial bond debt service fund, term bond debt service fund.
Bulleted list : How can you develop parallelism in a bulleted list?What is the difference between a bulleted list and an enumerated list (one with numbers)?

Reviews

Write a Review

Basic Statistics Questions & Answers

  How many expect to have cholesterol levels greater

Levels above 200 warrant attention. If 95 teenage boys are examined. How many would you expect to have cholesterol levels greater than 225.

  Determining the regression equation

You select a random sample of 16 cities similar to Statesville in demographic and economic characteristics and collect the following data on FOOTAGE (in 10,000 square feet) and RETURN (rate of return as a %). a. Analyze the above output to determi..

  Mean weight of adult women

To investigate this belief, he randomly samples 41 adult women and records their weights. The scores have a mean of 111 lbs. and a standard deviation of 12.4. A local census taken several years ago shows the mean weight of adult women was 115 lbs.

  Find probability of randomly selecting liberal or male

What is the probability of randomly selecting a person who is conservative and then selecting from that group someone who is a nursing major?

  Beverage cans for an upcoming promotion

Schlepsi has contracted with AluminiCorp to produce special beverage cans for an upcoming promotion. They want 25% of the Schlepsi cans produced by AluminiCorp to be imprinted with the phrase 'A Winner is You!' along with a promotion code for the ..

  Random sample-normal distribution

Consider a random sample of size n from a normal distribution, Xi ~ N(m,9). a) Find the CRLB for the variances of unbiased estimators of m. b) Is the MLE, m(hat) = X(bar), a UMVUE of m?

  Describing normal approximation to binomial

A multiple-choice examination consists of 90 questions, each having possible choices a, b, c, d, and e. Approximate the probability that a student will get at least 21 answers correct if she randomly guesses at each answer.

  Learning about the regression effect

A human resources director, on learning about the regression effect, decides to hire people who have been fired by their previous employer for poor performance.

  Determine probability of nonconforming units on first sample

Determine probability of 0 nonconforming units on first sample and 2 nonconforming units on second? First gasket selected is returned to lot before the second one is selected.

  Probability for amount requested

What is the probability that: The amount requested is $80,000 or more?

  Find the lowest score (x) using normal distribution

Finding an X score. All Bright University will consider an applicant for its MBA program who scores 95 percent or higher on the GMAT exam. The mean and standard deviation, respectively, for this test are 578 and 94. What is the lowest score (X) th..

  Compute the slope of the ols regression line

The correlation between the two variables is 0.4. Hourly earnings are regressed on years of education. What is the slope of the OLS regression line?

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