Find the weighted mean in test grades

Assignment Help Basic Statistics
Reference no: EM13101427

Bob gets tests grades of 86, 92, and 60 He gets an 90 on his final exam. Find the weighted mean if each tests counts for 20%, and the final exam counts for 40% of the final grade.

Reference no: EM13101427

Questions Cloud

Developed a revolutionary new personal computer : Question about the international manager of a U.S. business that has just developed a revolutionary new personal computer that can perform the same functions as existing PCs but costs only half as much to manufacture.
Bivariate density function-computation of moments : Random variables x and y have the joint density function. Find the value of the constant a
Explain legal case concerning internet sales : Write down the sample brief on a legal case concerning internet sales between differing states brief case from regarding facts issues and reasoning.
Examine the advantages and disadvantages : Examine the advantages and disadvantages of the following forms of managerial compensation in terms of mitigating agency problems, that is, potential conflicts of interest among managers and shareholders.
Find the weighted mean in test grades : Bob gets tests grades of 86, 92, and 60 He gets an 90 on his final exam. Find the weighted mean if each tests counts for 20%, and the final exam counts for 40% of the final grade.
Risks & rewards of changing current supplier to new supplier : What are the risks and rewards of changing from a current supplier to a new supplier ? How can you balance these risks and rewards?
Mallory accepted this as being part of pharmaceutical firm : She watched the rep focusing on the benefits of the new drugs while not volunteering pricing information, side effects or comparison data. Mallory accepted this as being part of the pharmaceutical firm's?
Effective communication in the workplace : effective communication in the workplace and how it affects behaviour in the workplace. Appraise literature that addresses Organizational Behaviour theories and application appropriate to your topic.
Classify any ethical issues that may be involved in showing : the standard deviation for BX-5 was 7. Ms. Flynn would like to maintain a 90% service level. Classify any ethical issues that may be involved in showing twenty minutes of commercials before the screening of the movie?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics to complete a one-hour times exam

The times for 300 college students of introductory statistics to complete a one-hour times exam.

  Forecasting-the historical data, replicating the appropriate

The project requires you forecast the historical data, replicating the appropriate trends, seasonalities, week-over-week variability, etc.  Please refer to the chapter and materials on Forecasting for the procedures to do.

  Testing of regression coefficient

In a multiple regression equation two independent variables are considered, and the sample size is 25. The regression coefficients and the standard errors are as follows.

  Find out the area using normal distribution

Find out  the area using Normal distribution. As, if Z is a standard normal variable find out the probability that Z lies.

  Probability which depend on discrete distribution

What is the probability that the first card dealt is an ace of spade?

  Drawing the sample of church members

For a regional survey of suburban households to obtain data on television viewing habits, a statistical sample of suburban areas is first selected.  Within the chosen areas, statistical samples of whole blocks are selected; and within the selected..

  Anova for factorial experiments

The data are number of trials to learn to go left at the first turn in a maze for each of their 20 rats. Answer each of the four questions and don't forget to include a verbal statement of your interpretation of the outcomes.

  Binomial distribution concept

A business owner decides to use a binomial distribution to solve one of his problems.

  Give the formula for test statistic and p-type one error

a. What is the probability of a type I error? b. Give the formula for the test statistic.

  Explaining classical hypothesis testing

In classical hypothesis testing, test statistic is to critical value what the?

  Finding the student z score

If a student scored 90 points on a test where the mean score was 82.2 and the standard deviation was 5.7. What steps do I do to find out the student's z score?

  Determine sample size to conduct a follow-up study

To conduct a follow-up study that would provide 95% confidence that the point estimate is correct to within plus-or-minus 0.04 of the population proportion, how large a sample size is required?

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