Find confidence interval for population mean for given level

Assignment Help Basic Statistics
Reference no: EM13152718

If he knows that the measurements follow a normal distribution and the standard deviation for this procedure is 1.2 degrees, what is the confidence interval for the population mean at a 95% confidence level?

Reference no: EM13152718

Questions Cloud

Use internal signals that have a rapid turnover rate : Why is it important that signal transduction mechanisms use internal signals that have a rapid turnover rate?
What is the maximum number of electrons ejected from a metal : When a metal was exposed to light at a frequency of 3.94× 1015 s-1, electrons were emitted with a kinetic energy of 5.80× 10-19 J. What is the maximum number of electrons that could be ejected from this metal
Determine the inventory balance : It is the end of the accounting period, and your boss asks you to help determine the inventory balance to place in the company's balance sheet. Explain which physical quantities of inventory that you will include, and which you will exclude.
Weighted-average number of shares outstanding : On August 1, Gridley purchased 140,000 shares and immediately retired the stock. On November 1, 200,000 shares were sold for $25 per share. What is the weighted-average number of shares outstanding for 2011?
Find confidence interval for population mean for given level : If he knows that the measurements follow a normal distribution and the standard deviation for this procedure is 1.2 degrees, what is the confidence interval for the population mean at a 95% confidence level?
High low method-monthly shipping cost equation : Use the high-low method to estimate Silk Flowers & More's monthly shipping cost equation.
Define pair of electrically charged plates : The smallest unit of charge is -1.6× 10-19 C, which is the charge (in coulombs) of a single electron. Robert Millikan was able to measure the charge on small droplets of oil by suspending them between a pair of electrically charged plates.
Non-blocking synchronization algorithms : What is an implicit ack, how is it used, and what benet does it provide? What is non-blocking synchronization? What is Type-Stable Memory Management (TSM),
What is the distribution of random variable x : we must be able to assign a probability distribution or probability function to the random variable X. So, what is the distribution of X when X ~ bin(n, p)?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Compute probability that first card is a spade

Three cards are randomly selected from an ordinary deck of cards without replacement Compute the probability that the first card is a spade given that the second and third are spades.

  Hypotheses and the decision rule

At a .10 level of significance, use Stat Tools (or Excel) to test the sponsors' hypothesis. State the null and the alternative hypotheses and the decision rule. Finally, discuss your findings.

  Clear heights of warehouses-normal distribution

Tompkins Associates reports that the mean clear height for a Class A warehouse in the Unites States is 22 feet. Suppose clear heights are normally distributed and that the standard deviation is 4 feet.

  Confidence interval for the mean porosity of specimens

In a random sample of 53 concrete specimens, the average porosity (in percent) was 21.6 and the standard deviation was 3.2. a) Find a 90% confidence interval for the mean porosity of specimens of this type of concrete.

  Testing hypothesis using level of significance

Assume a business researcherwishes to test hypothesis that greater proportion of marketing managers keep track of such obligations.

  Create observed and expected contingency tables for data

9 of 199 males receiving tPa and 13 of 97 males in control group died within 12 months. Create observed and expected contingency tables for these data.

  Probability that number of students who want new books

What are the mean value and standard deviation of the number of students who want new books? What is the probability that the number of students who want new books is more than two standard deviations above the mean?

  Draw sampling distribution of estimate-central limit theorem

Hospitials having fewer that 1000 discharges is estimated from a simple random sample of size 25. Use the central limit theorem to sketch the approximate sampling distribution of the estimate.

  Computing the kappa statistic and its standard error

Compute the Kappa statistic and its standard error regarding reproducibility of the diagnosis of dyspnea in the clinic.

  Computing chance of investment return

Investment A has an expected return of $25 million and Investment B has an expected return of $5 million. Market risk analysts believe the standard deviation of the return from A is $10 million

  Specification limits set between ounces

The specification limits are set between 15.8 and 16.2 ounces.

  Probability that eight women would be laid off at random

Compute the probability that 8 or more women would be laid off at random. Based on your answer, do you think that management really laid off these people randomly? Explain.

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