User Account

All Pages

The macburger restaurant chain claims that the waiting time

Assignment Help Basic Statistics
Reference no: EM13582425

Question: 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 control department found in a sample of 50 customers at the Warren Road MacBurger that the mean waiting time was 2.75 minutes. Can we conclude that the mean waiting time is less than 3 minutes?

Use = .05.

a. State the null hypothesis and the alternative hypothesis.

b. State the decision rule.

c. Compute the value of the test statistic.

d. What is your decision regarding H0?

e. What is the p-value? Interpret it.

Reference no: EM13582425

Questions Cloud

At the 025 level has holdlonger increased the shelf life of : the liquid chlorine added to swimming pools to combat algae has a relatively short shelf life before it loses its
The walls of an empty chamber are held at constant : the walls of an empty chamber are held at constant temperature. the chamber is thus a repository for electromagnetic
During the energy crisis of the 1970s and again in the last : during the energy crisis of the 1970s and again in the last 5 years congress bemoaned the price gouging and windfall
For a random sample of 12 observations the sample mean was : given the following hypothesesh0 mu 400h1 mu ne 400for a random sample of 12 observations the sample mean was
The macburger restaurant chain claims that the waiting time : question the macburger restaurant chain claims that the waiting time of customers for service is normally distributed
If the reactor power level is suddenly increased to q2 108 : uniform internal heat generation at q 5 x 107 wm3 is occurring in a cylindrical nuclear reactor fuel rod of 50-mm
What are the three romantic attachment styles described by : what are the three romantic attachment styles described by shaver and colleagues? briefly describe one and give an
Appendix a in the textbook details criteria for designing : appendix a in the textbook details criteria for designing or evaluating a long-term care system. research a long-term
The sample mean is 12 for the sample of 36 the population : question the following information is available.h0 mu le 10h1 mu gt 10the sample mean is 12 for the sample

Reviews

Write a Review

Basic Statistics Questions & Answers

  Hypothesis testing of mean-tar content in cigarettes

The mean tar content of a simple random sample of 25 unfiltered king size cigarettes is 21.1 mg, with a standard deviation of 3.2 mg.

  A sample of 8 jars has a mean of 156 ounces and a standard

a machine is designed to fill jars with 16 ounces of coffee. a consumer suspects that the machine is not filling the

  State the null and alternative hypotheses in word form

The test question is: Should a merit raise be given? What is your conclusion? State the null and alternative hypotheses in symbolic form. State the null and alternative hypotheses in word form.

  Using the approximations for normal curves what percentage

using the approximations for normal curves what percentage of scores fall between the mean and one standard deviation

  Examples of measures of central tendency-variation

Critically discuss how someone may use measures of central tendency, variation, or position in their home, school, or workplace.

  Create frequency distribution for ages strokes due to stress

Medical research team studied the ages of patient who had strokes caused by stress. Ages of 34 patients who suffered stress strokes. Create frequency distribution for these ages.

  Probability of getting no more than one undersized tomato

Assuming that the goal of 4% undersized tomatoes is reached, what is the probability of getting no more than 1 undersized tomato in a randomly selected sample of 20 tomatoes?

  Define decision variables in linear programming problem

Define decision variables clearly. Formulate this as a linear programming problem and solve it with a detailed description of your output. Please include all output information.

  Find mean and standard deviation of weight of pain killer

Based on the information above, estimate the mean and standard deviation of the weight of the pain killer in each bottle.

  Determine means and confidence levels

Dr. Walker is an industrial psychologist. She is currently studying stress among executives of Internet companies. She has developed a questionnaire that she believes measures stress.

  Hypothesis testing for single mean

A sample of 100 observations has a mean of 2.99 and a standard deviation s equal to 0.5 Conduct the following test of hypotheses about the corresponding population mean at a level of significance of α = 0.2

  Output appear to differ at two experience levels

Does the variability in output appear to differ at the two experience levels? Test the hypotheses at the .05 significance level.

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd