Solution-Confidence interval for the mean number of videos

Confidence interval for the mean number of videos

Assignment Help Basic Statistics

Reference no: EM131319209

A survey of 68 courses delivered fully online found a mean of 13.5 videos with a standard deviation of 2.81. You can assume that the number of videos in an online course is normally distributed. Find the 89% confidence interval for the mean number of videos in a fully online course.

Reference no: EM131319209

Questions Cloud

What was the firm actual return : What is the expected return of a stock with a beta of 1.3, if the risk free rate is 4%, and the market risk premium is 7%? If over the course of the year the actual market return was 12%, and the firm’s employees went on strike causing a price drop o..

How is model affected if crossover probability is smaller : Dependence on crossover mechanism. In the simple model of sex, each bit is taken at random from one of the two parents, that is, we allow crossovers to occur with probability 50% between any two adjacent nucleotides.

Collecting information on salaries : You're collecting information on salaries of IT workers. You know the population standard deviation of the salaries is $2125. You want to be 99% confident you are within $750 of the population mean. How many people do you need to survey?

Why has al qaida not crossed the threshold : Why has al Qaida not crossed the threshold for using WMD in terrorist attacks, as in the case of Aum Shinri Kyo? What do the readings describe as the most common group motivation for using WMD? Does that seem to apply to al Qaida?

Confidence interval for the mean number of videos : A survey of 68 courses delivered fully online found a mean of 13.5 videos with a standard deviation of 2.81. You can assume that the number of videos in an online course is normally distributed. Find the 89% confidence interval for the mean number..

Calculate the costs of equity-debt and preferred stock : Axel Rose Inc. (ARI) has a 15 year, 12% semi-annual coupon bond that is currently selling for $1,153.72. ARI’s current stock price is $25.00 and the company expects its next dividend to be $2.50 with a constant growth rate of 5%. Calculate the costs ..

Prepare and explain each planned capital expenditure : Prepare and analyze each planned capital expenditure. Construct and recommend between three and five metrics to measure the performance of the organization. At least one metric should be dividend decision-making driven.

Difference between the mean number : Construct a 95% confidence interval for, the difference between the mean number of commercials aired during prime time by the first network and the mean number of commercials aired during prime time by the second network. Then complete the table b..

How is that minimum population size related to g : Dependence on population size. How do the results for a sexual population depend on the population size? We anticipate that there is a minimum population size above which the theory of sex is accurate. How is that minimum population size related t..

User Account

All Pages

Confidence interval for the mean number of videos

Reference no: EM131319209

Reference no: EM131319209

Questions Cloud

Reviews

Write a Review

Basic Statistics Questions & Answers

Statistics-probability assignment

What is the least number

Determine the value of k

What is the probability

Binomial distributions

Caselet on mcdonald’s vs. burger king - waiting time

Generate descriptive statistics

Sampling variability and standard error

Estimate the population mean

Conduct a marketing experiment

Find out the probability

Linear programming models

Assured A++ Grade

Academics

Major Subjects

Majors

Get In Touch

TERMS & POLICIES

HELP & SUPPORT