Information about probability problems based on z score

Assignment Help Basic Statistics
Reference no: EM13106748

At a large university, 500 freshmen take their final exam for their marketing course. Scores are normally distributed with a mean 79 and standard deviation 7. What is the probability of a score, X, falling between 73 and 83?

Reference no: EM13106748

Questions Cloud

Determining standard z score : Lewis earned 85 on his biology midterm and 81 on his history midterm. In the biology class the mean score was 79 with standard deviation 5.
Illustrate what are advantages of qualitative measurement : Illustrate what are the advantages of qualitative measurements when doing marketing research? Illustrate what are the disadvantages? Be sure to answer both questions.
Write difference in original ideas and common knowledge : What do you believe of when you hear term academic honesty? How does knowing difference among original ideas, common knowledge, and plagiarism help you stay honest when you write the academic paper?
Explain the concepts of lean production : Explain the concepts of lean production. Describe its relation to Six Sigma. Please provide examples of the pros and cons for linking them.
Information about probability problems based on z score : At a large university, 500 freshmen take their final exam for their marketing course. Scores are normally distributed with a mean 79 and standard deviation 7.
Would you recommend for his small hotel business : Manoj has recently finished a diploma course in hotel management and now wants to starts a small hotel of his own in his city which forms of business organisation would you recommend for his small hotel business?
Describe why companies adopt total quality : Discuss the three major reasons why companies adopt total quality. Also, discuss the initial key steps are involved in the adoption process.
Identify scope, size and financial performance of companies : Provide the names of three companies that are active in the high-design manufactured homes market segment. Explain their major projects and identify the scope, size and financial performance of these companies.
Describe progressive insurance products : Describe Progressive Insurance's products in terms of the four characteristics of services. How does Progressive deliver value to its customers?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Value of standard deviation for data

What value is standard deviation for this data? What type of probability is this?

  Correlation coefficient-regression equation

Compute the coefficient of correlation and the coefficient of determination and determine the regression equation.

  Standard deviation and probabilities

Assume x is normally distributed with mean u=15 and standard deviation 0=3. Use the approximate areas beneath the normal curve, as discussed in this section, to answer the following questions.

  Determining probability for choosing item

If one item is chosen at random, determine these probabilities. It is a TV

  Estimating probability values-discrete distribution for card

What is the probability that the first two cards dealt yields "Black Jack"?

  Mean of breaking strength

Recall that the trash bag manufacturer has concluded that its new 30 gallon bag will be the strongest such bag on the market if its mean breaking strength is at least 50 pounds.

  Estimating the expectation

expectation of the statistic that was proposed by Statistician - Based on the information collected in Tasks 1-8, which of the two statistics produces values which tends to be more concentrated about the expectation of the measurement?

  Student query-confidence intervals

A recent study indicated that 29% of the 100 women over age 55 in the study were widows. If no estimate of the sample proportion is available how large should the sample be?

  Which of the statement is true under the normal curve

The area under a normal curve is always equal to 1, no matter what the mean and standard deviation are.

  Variables-outlier

While exploring data that was collected for an investigation of resources needed for software testing and improvement, you have found an outlier.

  Using anova for managerial decisions

This includes knowing how to use an ANOVA for managerial decisions. Present a business example where you would use an ANOVA. State the hypothesis verbally and numerically.

  Significant difference between two amounts quoted

At the .10 significance level, can we conclude that there is a difference in the amounts quoted?

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