User Account

All Pages

Normal distribution with a population mean

Assignment Help Basic Statistics
Reference no: EM133245354

Problem 1. Suppose the wait time at local fast food restaurants follows a normal distribution with a population mean of 3 minutes and a population standard deviation of 1 minute. At the McDonald's on Maple Street you observed that among a random sample of 36 customers the mean wait time was 3.4 minutes. You are wondering if the wait time at this particular McDonald's is different from the population mean. a. Setup the appropriate null and alternative hypotheses.

Reference no: EM133245354

Questions Cloud

What are the arithmetic and weighted means : 1) Please give the mean, median, and mode of the following sets of numbers and write down whether the mean, median, or mode would be used to best describe each
What is the equation for the least square regression line : What is the equation for the least square regression line where the independent or predictor variable is sepal length and the dependent or response variable is
Non-collected variable that could confound all variables : 1. Statistical Literacy: a study used the variables: income, job satisfaction, and commute to and from work. How or why could the included variables be confound
Types of resources are available to global populations : What types of resources are available to global populations in terms of learning about nutrition and healthy eating?
Normal distribution with a population mean : Problem 1. Suppose the wait time at local fast food restaurants follows a normal distribution with a population mean of 3 minutes and a population standard devi
Estimate the difficulty of the final exam : To estimate the difficulty of the final exam, the teaching team has designed a mock exam that is at the same level of difficulty as that of the real exam.
What are the highest and the lowest quiz score : Professor A. has 40 students in her class. After giving a first quiz, she calculated 5 measures of relative standing: min =3, Q1 = 12, Median = 14, Q3 = 16, Max
Identify variable in the subset : Identify each variable (i.e., Sex, Smoke and GPA) in the subset whether it is categorical nominal, categorical ordinal, quantitative discrete or quantitative co
Which would be the most appropriate test to use to show : Which would be the most appropriate test to use to show if the data is consistent with your friend's claim?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Confidence interval for average monthly number of takeoffs

Landings and takeoffs at Schiphol, Holland, per month are (in 1,000s) as follows:- Assume a random sample of months. Give a 95% confidence interval for the average monthly number of takeoffs and landings.

  Find the critical z value used to test a null hypothesis

Assume that the data has a normal distribution and the number of observations is greater than fifty. Find the critical z value used to test a null hypothesis.

  Consumer price indexes for major metropolitan areas

Los Angeles and New York. The Bureau of Labor Statistics publishes separate consumer price indexes for major metropolitan areas in addition to the national CPI.

  Problem regarding the mean and standard deviation

Observing a sample of 35 morning customers   at a convenience store, a researcher finds their average stay in the store is 3.0 minutes, with a standard deviation of 0.9 minutes

  Which the coach should start recruiting players

Calculate the weight at which the coach should start recruiting players.

  Discuss the emv calculations

In the Sci Tools example, make two changes: change all references to $115,000 to $110,000, and change all references to $125,000 to $130,000.

  Describe a probability distribution

1. Describe a probability distribution. Give example 2. How do you to test the null hypothesis?

  Test for single mean - what do you conclude

Test for single mean - What do you conclude - Compute z and P

  What is the p-value for the test statistic

What is the p-value for the test statistic used in the hypothesis test in question b?

  Describe the three assumptions of anova

List and describe the three assumptions of ANOVA. When should researchers use different hypothesis tests for independent and related samples? What is the difference between a one-way-ANOVA and a two-way-ANOVA?

  Substantial effects on asia

There were many developments that had some substantial effects on Asia. Many coastal areas were occupied by European trading posts.

  Establishing the reliability of a psychological instrument

How do I make a chart describing the different methods of establishing the reliability of a psychological instrument?

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