User Account

All Pages

Upper-limit of the two-sided confidence interval

Assignment Help Basic Statistics
Reference no: EM131997051

The Healthy Drinks store stated that the average consumption of water per day was at least 100 gallons. To test the hypothesis that this figure may no longer be true, a researcher randomly selected 150 people and found that they used on average 105 gallons per day and s=10 gallons.

a) At α = .01, is there enough evidence to say that their statement might no longer be correct?

b) What are the lower-limit and the upper-limit of the 90% two-sided confidence interval?

Reference no: EM131997051

Questions Cloud

Determining the confidence interval : Suppose that 0 was outside the 95% confidence interval. From that measure, could you conclude that the water became cleaner? Why or why not?
How long is the actual wall : A scale drawing of an office building is not labeled, but indicates 0.25 inch = 5 feet. On the drawing, one wall measures 2 inches. How long is the actual wall?
Describe two to three strategies to address this nutrition : One of the most important responsibilities of early childhood administrators is to ensure that children's nutrition, health, and safety needs are met.
Evidence that the average calorie content : At the a = .05 level, is there sufficient evidence that the average calorie content is less than 100 calories?
Upper-limit of the two-sided confidence interval : What are the lower-limit and the upper-limit of the 90% two-sided confidence interval?
Find the total square footage that requires painting : Find the total square footage that requires painting for the bedroom and the living/dining room, and then ?nd the total square footage for the entire painting.
Who determines what curriculum is used : The purpose of this assignment is to understand a method of curriculum development through an interview with the Curriculum Specialist in a school district.
Evaluate factors influence a brands corporate reputation : 305MKT - Brand and Corporate Communications - Evaluate factors which influence a brands corporate reputation - Identify and assess these factors in shaping
Determine the probability that the sample mean : Determine the probability that the sample mean is greater than 2 but less than 4, if you select a random sample of size n = 40.

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +91-977-207-8620

Phone: +91-977-207-8620

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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