Find confidence interval for population mean number

Assignment Help Basic Statistics
Reference no: EM13121032

Denise is a professional swimmer who trains in part by running. she would like to estimate the average number of miles she runs in each wk. for a random sample of 20 wks the mean is 17.5 miles with standard deviation of 3.8 miles. find a 99% confidence interval for the population mean number of weekly miles denise runs.

Reference no: EM13121032

Questions Cloud

What is the molar concentration of the ammonia : If 17.9 mL of 0.800 M HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia.
Managerial and financial accounting : Write a 700- to 1,050-word paper in which you differentiate between managerial and financial accounting.
Uniform distribution and a twenty-sided die : Uniform Distribution and a 20-Sided Die, In this problem there are two ways to solve one is the largest way counting every pair of the outcome and the other is the smallest, using CDF.
Singular and multi-variable equations : Compare equations with one variable to equations with two variables. How are they alike? How are they different? What if an equation had three variables?
Find confidence interval for population mean number : Wwith standard deviation of 3.8 miles. Find a 99% confidence interval for the population mean number of weekly miles denise runs.
Calculate work done (in kj) : Calculate w (in kJ) when 376 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 335 K:
Question about evaluating functions : Evaluate each of the functions below at x = 1, 2, 4, 8, and 16. Plot the graph of each function. Classify each as linear, quadratic, polynomial, exponential, or logarithmic, and explain the reasons for your classifications.
Net income for a merchandising company : Determine whether or not the measurement of net income for a merchandising company conceptually is the same for a service company.
Probability computed using a binomial model : A party, and 35% stay home. Seventeen people are randomly selected. Can the probability that exactly 4 of them stay home be computed using a binomial model?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Decision making and expected values

FINRA is considering three alternatives for providing food services (breakfast and lunch) to its employees: creating a company owned food service and hiring its own staff, hiring an outside vendor to provide food services (outsourcing), or a combi..

  Probability of getting news primarily from newspapers

Given that a respondent is over age 50, what is the probability that he or she gets news primarily from newspapers?

  Data regarding probability problems

A survey of undergraduate students in the School of Business at Northern University revealed the following regarding the gender and majors of the students:

  Computing probability values using binomial distribution

What is the probability that at least one of the new books is a commercial success?

  Would this be a t-value distribution

Would this be a T-value distribution? Can you take me through the steps to determine upper and lower limits of a 95% confidence interval?

  Test of hypothesis-z statistic and p-value

A manufacturer claims that the mean lifetime, mean, of its light bulbs is 52 months. The standard deviation of these lifetimes is 7 months. Ninety bulbs are selected at random, and their mean lifetime is found to be 55 months.

  What is the p-value and difference in means

What is the p-value and compute a 95% CI for the difference in means between the two groups?

  Confidence interval used to estimate population proportion

Find the sample size for the 95% confidence interval used to estimate the population proportion.

  Difference in mean times

Commute times: three random samples of time in minutes that commuters are stuck in traffic are shown. At anova =0.05, is there a difference in the mean times among the three cities?

  Determining estimated population mean

Determine the estimated population mean?

  Setting up study on depression treatments

Describe your selected research issue, problem, or opportunity. Formulate both a numerical and verbal hypothesis statement concerning your selected research issue, problem, or opportunity.

  Independent measures significance test

The following data were obtained from an independent measures study. Determine if there is a significant difference between the treatments. Use a significant level of .01.

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