A normal distribution has a mean of m 80 with s 20 what

Assignment Help Basic Statistics
Reference no: EM13577274

A normal distribution has a mean of m = 80 with s = 20. What score separates the lowest 30% of the distribution from the rest of the scores?

Reference no: EM13577274

Questions Cloud

74000 in goods sold by mohling with terms fob destination : at december 31 2014 mohling companys inventory records indicated a balance of 602000. upon further investigation it was
Albright and company currently has a weighted average cost : albright and company currently has a weighted average cost of capital of 8.6 percent based on a combination of debt and
Assume the population proportion for a presidential : question timescnn voter polls monitor public opinion for the presidential candidates during 2000 presidential
On january 1 2012 the accounts receivable and the allowance : on january 1 2012 the accounts receivable and the allowance for doubtful accounts carried balances of 30000 and 500
A normal distribution has a mean of m 80 with s 20 what : a normal distribution has a mean of m 80 with s 20. what score separates the lowest 30 of the distribution from the
The average price of a gallon of unleaded regular gasoline : question the average price of a gallon of unleaded regular gasoline was reported to be 3.13 in illinois. use this
All three classes took the same physics test the mean : a school has three tenth grade classes. all three classes took the same physics test. the mean score for the three
The perfect tool company produced 80000 saw blades during : the perfect tool company produced 80000 saw blades during the year. it took 1.5 hours of labor per blade at a rate of
Aresearcher obtains an f-ratio with df 2 36 from an : a researcher obtains an f-ratio with df 2 36 from an independent-measures research study. what is the total number of

Reviews

Write a Review

Basic Statistics Questions & Answers

  Sensitivity and specificity of the test

Using this test 80% of Down's syndrome cases can be identified at birth, while 5% of normals are detected as positive. a. What is the sensitivity and specificity of the test?

  Algebra-functions and linear system

Give an example of a function using a set of at least 4 ordered pairs. The domain will be any four integers between 0 and +10. The range will be any four integers between -12 and 5.

  Confidence level and sample size

A film alliance used a random sample of 50 U.S. citizens to estimate that the typical American spent 78 hours watching videos and DVDs last year. The standard deviation of this sample was 9 hours.

  Solving polynomials and identifying degree of polynomials

From the given polynomials, identify the polynomials of degree one. A function gives the value of C as 2 × (22/7) × r. Find C when r = 7 cm and r = 91 cm.

  Who are at least 75 years of age in samples of 150

Assume that your county's population is similar to the American population in age distribution. What are the mean and standard deviation of the proportion P^ who are at least 75 years of age in samples of 150 respondents?

  Hypothesis testing for two samples

In this problem set you will get some practice performing hypothesis tests for two samples. If you use Statdisk to perform any portion of these analyses, please include the results, label them, and refer to them accordingly in your interpretations..

  The effectiveness of two different brands of ibuprofen

Effect of a new training program on time taken to complete a task, measured by a "before" and "after" test

  Range for the coefficient of determination

How do we use a least squares regression line? What is the range for the coefficient of determination?

  Hypothesis test on correlation and regression

Please perform a hypothesis test using a .05 significance level on the following information. Next please perform a regression analysis as well as providing a scattered diagram.

  One proportion testing and confidence interval

Find a 99% confidence interval estimate of the proportion of people who say that they voted.

  Predict the lean mass for a person

The person's body fat percentage, and ‘y' is the person's lean mass percentage. Predict the lean mass for a person who is 27 years old and has a body fat percentage of 4.5%.

  Irregular components in time series

Define irregular component in time series and explain the differences between other components as well as its effects.

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