Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Probability using normal distribution.

Information from the American Institute of Insurance indicates the mean amount of life insurance per household in the United States is $110,000. This distribution is positively skewed. The standard deviation of the population is not known.

a. A random sample of 50 households revealed a mean of $112,000 and a standard deviation of $40,000. What is the standard error of the mean?

b. assume that you selected 50 samples of households. What is the expected shape of the distribution of the sample mean?

c. What is the chance of selecting a sample with a mean of at least $112,000?

d. What is the probability of selecting a sample with a mean of more than $100,000?

e. Find the probability of selecting a sample with a mean of more than $100,000 but less than $112,000.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920666

Have any Question? 


Related Questions in Statistics and Probability

How does the competitive success of ords kangaroo rat

How does the competitive success of Ord's kangaroo rat change in the absence of coyotes? Propose one possible cause for the decline in rodent diversity in the control areas after treatment begins. What is the impact of c ...

In a pulse rate research a simple random sample of 120 men

In a pulse rate research, a simple random sample of 120 men results in a mean of 80 beats per minute, and a standard deviation of 11 beats per minute. Based on the sample results, the researcher concludes that the pulse ...

The following electoral method is used to choose the mayor

The following electoral method is used to choose the mayor of Whoville: Every resident ranks the candidates from most preferred to least preferred, and places this ranked list in a ballot box. Each candidate receives a n ...

An employer interviews 9 people for 6 computer programming

An employer interviews 9 people for 6 computer programming positions in a company, and 4 of the 9 people are men. If all 9 are qualified, in how many ways can the employer fill the computer programming positions if exact ...

Suppose that the number of men equals the number of women

Suppose that the number of men equals the number of women. Prove the following claims, or provide counterexamples: (a) For every pair of matchings there exist preference relations for which these are two stable matchings ...

Imagine that you conduct a study to test the average level

Imagine that you conduct a study to test the average level of guilt experienced by Christians, Jews, Buddhists, Muslims, and Hindus. Could you use an ANOVA to analyze your data? Why or why not?

The distribution of starting salaries of men who received

The distribution of starting salaries of men who received college degrees last year had a mean equal to 31000 and a standard deviation equal to 1200. A random sample of 36 starting salaries of women who received college ...

Suppose a new student honors societynbspalpha alpha

Suppose a new student honors society, Alpha Alpha Alpha, is going to start at Harvard. Alpha Alpha Alpha aims to be exclusive and only wants the best students.Currently, there are about 10,000 students enrolled at Harvar ...

How did religion shape indian reaction to white settlement

How did religion shape Indian reaction to white settlement in the nineteenth century?

Lazer incorporated purchased a delivery van for 29000 its

Lazer Incorporated purchased a delivery van for $29,000. Its useful life is estimated as 5 years, with a salvage value of $2,000. Using the sum-of-the-years' digits depreciation method, calculate the book value at the en ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro