Problem on population distribution

Assignment Help Basic Statistics
Reference no: EM13216122

For a certain aptitude test, it is known from past experience that the average score is 1000 and the standard deviation is 125. If the test is administered to 100 randomly selected individuals, what is the probability that the value of the average score for this sample will lie in the internal 970 and 1030? Assume that the population distribution is normal.

Reference no: EM13216122

Questions Cloud

Explain approach the implementation of new technology : Identify and analyze what you believe to be the most significant new technology requirements for the health care industry. Indicate how providers should approach the implementation of this new technology requirement that you have identified. Provi..
State purpose of the implementation phase of the legislation : He has to advise his congressional committee on the impact of interest groups on legislation. Write the memorandum to explain the purpose of the implementation phase of the legislation.
Does a follow-up reminder increase the renewal rate : Does a "follow-up reminder" increase the renewal rate on a magazine subscription? A magazine sent out 760 subscription renewal notices (without a reminder) and got 703 renewals.
Explain what can the use of a long complex selection process : What can the use of a long complex selection process symbolize to job seekers? How do you think this would affect the organization's ability to attract the best employees?
Problem on population distribution : What is the probability that the value of the average score for this sample will lie in the internal 970 and 1030? Assume that the population distribution is normal.
Conduct necessary analyses using spss : Conduct necessary analyses using SPSS so you can answer the questions for the problem, "Three Group MANOVA," at the end of Chapter 10B.
State import industries are most likely to be less sensitive : What import industries are most likely to be less sensitive to changes in foreign goods due to exchange rate changes? What industries would be most sensitive?
Probability that the company will run out of units : suppose that the company currently has 180 units in stock, and it will not be receiving any further shipments from its supplier for at least 3 weeks. What is the probability that the company will run out of units?
Find the regression equation : How can we take this "chart" and use it to find the Regression Equation? What is the equation?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Evaluate project using the npv decision rule

The maximum allowable payback and discounted payback statistic for the project are 2 and 2.5 years, respectively. Use the NPV decision rule to evaluate this project; should it be accepted or rejected?

  Plot the histogram of b values

For each data set, compute and save g(m hat). Then do the following: Plot the histogram of B values of g(m hat)and sqrt(n)*[g(m hat)- g(m )].

  Effect of sample size on confidence intervals

Then suppose that a sample of 4000 women had produced the sample mean 275, and again give the 95% confidence interval for the population mean. What can you say about the effect of sample size on confidence intervals?

  Probability two and six people inclusive want hot peppers

Suppose 18 customers are selected at random. What is the probability that between two and six people inclusive want hot peppers?

  Create regression models to predict birth rate

A researcher used stepwise regression to create regression models to predict Birth Rate (births per 1,000) using five predictors: Life Exp (life expectancy in years).

  Solution utilizing graphical method

Solution utilizing graphical method. Compute the following linear programming problem. Among which of the following points (X, Y) is not a feasible corner point.

  Find the method to remedy multicollinearity

What can be completed to remedy multicollinearity.

  Find mean math sat score mu for population of seniors

A 90% confidence interval for the mean Math SAT score mu for the population of seniors is what? (Assume the population of Math SAT scores for seniors in the district is approximately normally distributed.

  Standard deviation and standard error for each group

Compute the mean, standard deviation, median, and standard error for each group.

  Difference in proportion of guests

Using a 5% level of significance, is there any difference in proportion of guests who would select the two resorts? What is your conclusion?

  Interval estimate around sample mean by standard deviation

Find the standard error of the mean Also establish an interval estimate around the sample mean using one standard deviation of the mean.

  Probability that at least one of five not have rh blood

Five persons donate blood at the clinic on a particular day. Find the probability that at least one of the five does not have Rh+ blood.

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