Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

1. Find out the value of z such that 45% of the distribution lies between it and mean.

2. Suppose that the average annual salary for the worker in the United States is $31,000 and that annual salaries for Americans are normally distributed with the standard deviation equal to $7,500. Find out the following:

a) What percentage of the Americans earn below $20,000?

b) What percentage of the Americans earn above $45,000?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M921167

Have any Question? 


Related Questions in Statistics and Probability

The data set you need to do the assignment can be found on

The data set you need to do the assignment can be found on Blackboard in the folder "Assignments and due dates" and in the spreadsheet "Data for Assignment 2". This is a group assignment and you can submit the work in gr ...

Letnbspbe a random process whose psd is shown in the

Let  be a random process whose PSD is shown in the accompanying figure. A new process is formed by multiplying  by a carrier to produce   Find and sketch the PSD of the processY(t)

A random variable x has a uniform distribution over the

A random variable X has a uniform distribution over the interval (-a/2, a/2)  for some positive constant a: (a) Find the coefficient of skewness for X ; (b) Find the coefficient of kurtosis for X ; (c) Compare the result ...

Assessment - assessment overviewfor this assessment you

Assessment - Assessment overview For this assessment, you need to produce a report by generating responses to six tasks presented below. For some of these sections, you will need to use Excel to generate statistical outp ...

Let x and ynbsp be zero-mean jointly gaussian random

Let X and Y  be zero-mean jointly Gaussian random variables with a correlation coefficient of and unequal variances of  (a) Find the joint characteristic function,  (b) Using the joint characteristic function, find the c ...

Supposenbspnbspare a sequence of independent and

Suppose   are a sequence of independent and exponentially distributed random variables with Assuming that is an odd number    for some integer K ): (a) Find the PDF of the median of the sequence. (b) Find the expected va ...

1 purposethis homework implements algorithms for anomaly

1. Purpose This homework implements algorithms for anomaly detection. 2. Description Introduction Comparing with signature based IDS, statistical based IDS uses the statistical metrics and algorithms to differentiate the ...

A developmental psychologist is interested in whether the

A developmental psychologist is interested in whether the number of words spoken per day differs between boys and girls at a very young age. She and her research assistants observe a preschool class over a period of 4 we ...

Two fair dice are rolled let one of the dice be red and the

Two fair dice are rolled. Let one of the dice be red and the other green so that we can tell them apart. Let be the sum of the two values shown on the dice and be the difference (red minus green) of the two values shown ...

Correlation is used to determine the strength of a

Correlation is used to determine the strength of a relationship between two variables. What kind of variables? Quantitative ones. The result of a correlation will be a number ranging between -1 and 1. Define how we inter ...

  • 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

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate