Macburger restaurant chain

Assignment Help Basic Statistics

Reference no: EM13113373

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: EM13113373

Questions Cloud

Hypothesis testing-chicken delight : Chicken Delight claims that 90% of its orders are delivered within 10 minutes of the time the order is placed. A sample of 100 orders revealed that 82 were delivered within the promised time.

Z tests and levels of significance : Tourism is one consideration for CoffeeTime's future. A survey of 1,233 visitors to Mumbai last year revealed that 110 visited a small cafe during their visit. Laura claims that 10% of tourists will include a visit to a cafe.

Research design and validity : The Dean is hanging his head in shame. He realizes his failings in designing an adequate research design to assess the effects of the move on majors and has revised the proposal.

Yules coefficient and interpretation : There is a program for STD/HIV/pregnancy education/prevention called Postponing Sexual Involvement (PSI) run in Atlanta. Evaluation data collected at the end of ninth grade as a follow-up to the program compared two group of adolescents

Macburger restaurant chain : 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.

Grand strand family medical center : The Grand Strand Family Medical Center is specifically set up to treat minor medical emergencies for visitors to the Myrtle Beach area. There are two facilities, one in the Little River Area and the other in Murrells Inlet.

Hypothesis testing-minor automobile accidents : A number of minor automobile accidents occur at various high-risk intersections in Teton County despite traffic lights. The Traffic Department claims that a modification in the type of light will reduce these accidents.

Discuss how private-sector and public-sector efforts : Discuss how private-sector and public-sector efforts and institutions that promote sustainable development can affect both the short- and long-term success of the tourism sector in the country or location of your choosing.

Type of neuron in the body : Where is the metabolic and regulatory function in a neuron and happens at? What is the most common type of neuron in the body?

User Account

All Pages