Population mean is less than a specified value

Reference no: EM1320389

To test whether the population mean is less than a specified value

The MacBurger restaurant chain claims that the waiting time of customers for service is normally distributed, with a mean of 3 minutes and a standard deviation of 1 minute. The quality-assurance department found in a sample of 50 customers at the Warren Road MacBurger that the mean waiting time was 2.75 minutes. At the .05 significance level, can we conclude that the mean waiting time is less than 3 minutes?

Reference no: EM1320389

Questions Cloud

Writing report with apa format : Select one of the following languages: Modula, Pascal, Ada, C++, C, C#, Java or other instructor-approved language.

Distribution to create confidence interval : Which distribution should be used to create 80% confidence interval?

How does a industry conclude its prices also the quantity : Elucidate how does a industry conclude its prices also the quantity of labor required in the resource marketplace during a specific period

Disregard the width of the crossing : A stone is thrown vertically upward with a speed of 12.3 m/s from the edge of a cliff 84.6m high. What is the speed just before hitting.

Population mean is less than a specified value : To test whether the population mean is less than a specified value.

Compute the x-component of this vector : Fred and Barney are two electric charges that are initially held 1 meter apart and experience an electric repulsion of 10 pounds of force. What would be the force of repulsion between them be if the two were moved closer together so that they were..

Determining least squares regression line for data : Using equation presented calculate SST,SSE and SSr. Determine least squares regression line for this data.

Income also substitution effects for leisure for jake : Illustrate what do the results tell you about the relative size of the income also substitution effects for leisure for Jake.

Differentiate descriptive-historical and correlation : Differentiate descriptive, historical, correlation, and experimental research methods. Provide clear definitions of each. Use examples that point out the factors that make each unique. Provide support for your answers.

User Account

All Pages