Give sampling distribution using central limit theorem

Assignment Help Basic Statistics
Reference no: EM13133057

Suppose it is know from past research that the average cold lasts 5.7 days with a standard deviation of 2.3. A researcher takes an SRS of 50 children at an elementary school who had a cold this past winter and found out how long their cold symptoms lasted. Assuming that the Central Limit Theorem applies, give the sampling distribution of X for n = 50.

Reference no: EM13133057

Questions Cloud

Compute net cash provided by operating activities : Hendrickson Corporation reported net income of $54,590 in 2010. Depreciation expense was $15,590. The following working capital accounts changed. Compute net cash provided by operating activities.
What is the gross margin for the year 2012 : Schumacher Company uses the perpetual inventory system, and it engaged in the following transactions during 2012.
Explain which three carbon atoms bear the unpaired electron : Use resonance structures to show which three carbon atoms bear the unpaired electron.
Who does the callability provision benefit : Why is the yield on bonds A and B 5%? Why is the yield on bond C different and what would be the price of Bond A
Give sampling distribution using central limit theorem : Cold this past winter and found out how long their cold symptoms lasted. Assuming that the Central Limit Theorem applies, give the sampling distribution of X for n = 50.
Orthogonal vectors in subspace : Let v1 and v2 be vectors in R^n. Show that (prove) the set of all vectors w, an element of R^n such that w is orthogonal to both v1 and v2, is a subspace of R^n.
Calculate its expected cost savings for the coming year : If Heartland can increase inventory turnover from its present level of 9 times a year to a level of 12 times per year, compute its expected cost savings for the coming year.
Decreasing charge depreciation method : When depreciation is computed for partial periods under a decreasing charge depreciation method, it is necessary to
Velocity and position vectors of particle : Find the velocity and position vectors of a particle that has the given acceleration and the given inital velocity and positions.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Finding confidence interval for a proportion

Prior to a statewide senate election, three polls are conducted concerning a particular candidate's popularity. In the first poll, 750 of 1500 voters favor the candidate.

  Compute confidence interval for true proportion who owns car

When 319 college students are arbitarily selected and surveyed, it is observed that 120 own a car. Determine a 99% confidence interval for true proportion of all college students who own a car.

  Numerical and verbal hypothesis

Formulate both a numerical and verbal hypothesis statement regarding the research issue we are using for this hypothesis is how men dominate the workforce over women.

  One-sided hypothesis test

Using a one-sided hypothesis test with a 90% confidence level, which of the following statements do these data support?

  Confidence interval for population by t- distribution

Create the indicated confidence interval for population mean µ using a t- distribution.

  Question-equation of line of regression

The store manager is under impression that his sales people do more business if they score higher on the social skills test which was administered this year. 5 victims were selected at random. Below, the results are X =test score, Y =weekly sales ..

  Plotting control limits for the mean outside diameter

Plot the control limits for the mean outside diameter and the range.

  Targeting a score of on an exam

A professor is targeting a score of 80 on an exam. His forty-nine students averaged 78 on an exam with s = 7. Are the scores significantly less than 80 at a significance level of 0.05? Show your work and state the conclusion.

  Test the hypothesis for average price

Test the hypothesis that the average price is higher than $1.87. Use level of significance α = 0.05.

  Correlation between the returns

The correlation between the returns on Ceramics Craftsman, Inc., and the returns on the S&P 500 is 0.675. The variance of the returns on Ceramics Craftsman, Inc., is 0.004225, and the variance of the returns on the S&P 500 is 0.001467.

  Z-score be when comparing the babies

In Texas, 1991, the weights of babies, the mean birth weight for all babies is 3369 grams, with a standard deviation of 581 grams, (454 grams = 1 pound). Looking at a baby that weighed 16.1 lbs at birth: What would his Z-score be when compared to ..

  Overall probability ratings for decision variables

Determine the overall probability (rating), given all the ratings and weightings that, when A, B, C, D and E are combined.

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