How lengths of cuts on cd to be one thirty two second

Assignment Help Basic Statistics
Reference no: EM13108294

CRA CDs Inc. wishes mean lengths of "cuts" on a CD to be 132 seconds (2 minutes and 12 seconds). This will permit disk jockeys to have plenty of time for commercials in each 10-minute segment. suppose distribution of the length of cuts follows normal distribution with population standard deviation of 7 seconds. Assume we choose a sample of 18 cuts from various CDs sold by CRA CDs Inc.

Reference no: EM13108294

Questions Cloud

Develop positioning strategy for marketing the new product : Put yourself in the position of an entrepreneur who is developing a new product to introduce into the market. Briefly describe the product. Then develop the segmentation, targeting, and positioning strategy for marketing the new product.
Explain in terms of prospect theory : Why does a car dealership offer $1000 cash back when buying a $20000 car instead of just selling you the car for $19000? Explain in terms of prospect theory. Your answer should include a graph showing the utility function of Prospect Theory.
Discussion on standard deviation and standard error : Why is it important to know the standard deviation for a given sample? What do researchers learn about a normal distribution from knowledge of the standard deviation?
Detrimental to society and other humans as a whole : Some psychologists and philosophers argue that "reality" is just all perception. Based on what you learned on sensation and perception and those lectures, do you agree with this statement?
How lengths of cuts on cd to be one thirty two second : CRA CDs Inc. wishes mean lengths of "cuts" on a CD to be 132 seconds (2 minutes and 12 seconds). This will permit disk jockeys to have plenty of time for commercials in each 10-minute segment.
Statistical tests for significance : Show your work (either your hand calculations or your statistical program output). You can either scan your work and submit it as a low-resolution graphic, type your answers directly into the document, or cut and paste your work into a Word file.
Discuss government role with regard to compensation in us : What is government's role with regard to Compensation in the U.S.? How are annual Compensation budgets developed in your company? If you don't know ask your manager or HR person.
Explaining the z test for proportion : A researcher believes that the percentage of people who exercise in California is greater than the national exercise rate. The national rate is 20%.
Hypothesis testing-confidence interval for cavity prevelance : The producers of a new toothpaste claim that it prevents more cavities than other brands of toothepaste. A random of 60 people used the new toothpaste for 6 months.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Random-effects anova

A random-effects ANOVA refers to the analysis where the levels included in the study represent a random sample of all levels that exist.

  Hypothesis testing and findings

Do these results suggest that the racial makeup of the faculty members is different from that of the students? (Use the .05 significance level.) Use the five steps of hypothesis testing and explain your findings.

  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.

  Descriptive statistics and probability

A tetrahedron is a fully-symmetric pyramid-like solid, with four faces made up of equal-sized equilateral triangles. Suppose that the four faces contain different number of spots, from one spot to four spots, so that the tetrahedron may be rolled ..

  Mentioning null hypothesis and alternative hypothesis

Using symbols mention null hypothesis and alternative hypothesis.

  Working with sampling distribution and probability

A southern state has an unemployment rate of 6%. The state conducts monthly surveys in order to track the unemployment rate. In a recent month, a random sample of 700 people showed that 35 were unemployed.

  Collected pairs of observations on two variables

Given that we have collected pairs of observations on two variables X and Y , we would consider fitting a straight line with X as an explanatory variable if:

  Analyze the regression and draw the scatter plot

Analyze the Regression and draw the scatter plot for results of the Hsp90 affinity and Her-2 degradation studies.

  Interquartile range of the quarterly range of the group

In the last quarter of 2007 a group of 64 mutual funds had a mean return of 0.9% with a standard deviation of 5.2%. Consider the normal model N(0.009.052) for the returns of these mutual funds.

  Hypothesis test for independent sample means

At the .05 significance level, is the number of units produced on the afternoon shift larger?

  Whether the given study is observational or experimental

A teacher divides her class into two groups. One group is taught a lesson on the computer and the other is taught by traditional lecture. The teacher then gives a test to see that group has better grades.

  Determine width for ninenty-nine percent confidence interval

An economist is interested in studying the spending habits of consumers in a particular region. The population variance is known to be $1,000,000. A random sample of 50 individuals resulted in an average expense of $15,000. What is the width of th..

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