Mean number of customers waiting

Assignment Help Basic Statistics
Reference no: EM132091153

The local oil changing business is very busy on Saturday mornings and is considering expanding. A national study of similar businesses reported the mean number of customers waiting to have their oil changed on Saturday morning is 3.6. Suppose the local oil changing business owner wants to perform a hypothesis test. The null hypothesis is the population mean is 3.6 and the alternative hypothesis that the population mean is not equal to 3.6. The owner took a random sample of 16 Saturday mornings during the past year and determined the sample mean is 4.2 and the sample standard deviation is 1.4. It can be assumed that the population is normally distributed and the level of significance is 0.05. The critical t value for this problem is?

Reference no: EM132091153

Questions Cloud

Dakota higher education institutions : The Chi-Square Statistic formula is: with the degrees of freedom (df) = (R-1)(C-1) with R = the number of rows and C = to the number of columns.
What amount of office supplies was purchased during the year : The asset account Office Supplies has a balance of $865 at the beginning of the year. Based on information, what amount of office supplies was purchased
Advertiser that the mean income : A magazine claims to its advertiser that the mean income of its readers is $75,000. One of the advertisers is skeptical and surveys 39
What will be the amount of capital expenditure : A machinery is purchased for Rs. 3,00,000 and Rs. 50,000 is spent on its installation. Rs. 5,000 is spent on fuel. What will be amount of capital expenditure
Mean number of customers waiting : The local oil changing business is very busy on Saturday mornings and is considering expanding. A national study of similar businesses reported the mean number
Where do you have opportunities to grow leadership skills : What are your strengths? Where do you have opportunities to grow your leadership skills?
Examine the two most common ways that leagues create : Examine the two most common ways that leagues create a global presence. Based on the examples listed in Chapter 3, examine the critical success factors
What are some key differences between leaders and managers : If you were to prioritize the criteria for a successful screening model, which criteria would you rank at the top of your priority list? Why?
Prepare the entry on kitselman appliances books : Ervay Factors assesses a finance charge of 3% of the amount of receivables sold. Prepare the entry on Kitselman Appliances books to record the sale

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

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

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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