Find the mean and standard deviation

Assignment Help Basic Statistics
Reference no: EM13216466

A consultant is beginning work on three projects. The expected profits from these projects are $ 37. thousand, $ 68. thousand, and $ 28. thousand.

The associated standard deviations are $ 8. thousand, $ 10. thousand, and $ 2. thousand. Assuming independence of outcomes, find the mean and standard deviation (in thousands of $) of the consultant's total profit from these three projects.

Round off your answer to two decimal places.

Reference no: EM13216466

Questions Cloud

Built a multiple regression model : where sleep and totwrk (total work) are measured in minutes per week and educ and age are measured in years. Suppose the following equation is estimated - Discuss what would happen to someone's sleep if they choose to work more.
Egocentrism-sociocentrism or relativism : Which of theses barriers causes people to make the most serious errors in their thinking —egocentrism, sociocentrism, or relativism?
Test on the entire text of don quixote : I need a listing of each adventure (episode) that Don Quixote went on throughout the novel. For each episode I need what started the adventure, what happened during the adventure and what the end outcome for Don Quixote and Sancho Panza in the advent..
Which of these 20 amino acid sequences listed : Which of these 20 amino acid sequences listed below is the most likely candidate for such a transmembrane segment? Why aren't the others? Explain the reasons for your choice.
Find the mean and standard deviation : The associated standard deviations are $ 8. thousand, $ 10. thousand, and $ 2. thousand. Assuming independence of outcomes, find the mean and standard deviation (in thousands of $) of the consultant's total profit from these three projects.
State the demand for treasuries and the price for treasuries : what will happen to the demand for corporate bonds, the price of corporate bonds, the demand for treasuries, and the price for treasuries?
Classify and understand microbial diversity : Name the factors that limit our ability to classify and understand microbial diversity and what implications do these challenges have for environmental and health management.
Find and input the p-value for test : Let p_1 be the proportion of successes in the first population and let p_2 be the proportion of successes in the second population.
List all of the mothers possible genotypes : List all of the mother's possible genotypes.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Normal distribution and binomial experiment

Provide an example of an application of the normal distribution. Explain why standard normal distribution can be used to find the probabilities for all normal distributions?

  Five step hypothesis test for mortgage rate

A recent article in the Wall Street Journal reported that the 30-year mortgage rate is now less than 6 percent. A sample of eight small banks in the Midwest revealed the following 30- year rates (in percent):

  Poll to estimate the presidential popularity

In a poll to estimate presidential popularity, each person in a random sample of 1000 voters was asked to agree with one of the following statements:

  Find the distribution of profit for a unit price

Find the distribution of profit for a unit price of $500. Use the Decision Table tool to find the best price between $400 and $600 in steps of $25.

  Confidence interval for mean time taken-statistics students

Construct a 99% confidence interval for the mean time taken by all statistics students to solve the computer assignment.

  Small sample confidence interval for population mean

Your quality control department has just analyzed the contents of 20 randomly selected barrels of materials to be used in manufacturing plastic garden equipment.

  Infinite population with a mean

iven an infinite population with a mean of 75 and a standard deviation of 12, the probability that the mean of a sample of 36 observations taken at random from this population exceeds 78 is?

  Compare quality of product using appropriate null hypothesis

What is an appropriate null hypothesis to compare the quality of the product manufactured in the overseas plants and the U.S. plants? Why?

  Find probability that store sells at least gallons

The Normal distribution with mean 130 gallons and standard deviation 12 gallons. On a randomly selected day, the probability that the store sells at least 154 gallons is?

  Information regarding normal approximation to binomial

You attempt a 50 item (n = 50) true-and-false exam. You did not study for the material and your attempt to answer any item is a guess, with a 50% chance that you will get any item correct. You need a score of 30 or better to pass the exam.

  Probability that particular serving contains fewer calories

Assume that the number of calories in a McDonald's Egg McMuffin is a normally distributed random variable with a mean of 290 calories and a standard deviation of 14 calories. What is the probability that a particular serving contains fewer than 300..

  P-value method of hypothesis testing

Show all the steps of your hypothesis test including a) the claim being tested , b) the null and alternative hypothesis, c) the test statistic, d) the p value, e) initial conclusion, and f) a final conclusion about the original claim.

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