Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

To define the confidence level used to find out the confidence interval

Presume that the population of the scores of all high school seniors who took the SAT math (SATM) test this year follows a normal distribution with standard deviation σ = 100.  You read a report that says based on a simple random sample of 100 high school seniors that took the SATM test this year, a confidence interval for µ is found to be 512.00 ± 25.76. " Compute What was the confidence level used to find out this confidence interval?

A)      90%

B)      95%

C)      99%

D)     99.9%

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M923339

Have any Question? 


Related Questions in Statistics and Probability

If the difference between two means is not statistically

If the difference between two means is not statistically significant, how certain are you that the independent variable really does not affect the dependent variable?

Consider the following game a fair die is rolled if the

Consider the following game. A fair die is rolled. If the outcome is 4, then the game ends and you win 0. If the outcome is not 4, then you have the option of either stopping the game and receiving an amount equal to tha ...

Risk taking is an important part of investing in order to

Risk taking is an important part of investing. In order to make suitable investment decisions on behalf of their customers, portfolio managers give a questionnaire to new customers to measure their desire to take financi ...

Jullian was curious if regular excise really helps weight

Jullian was curious if regular excise really helps weight loss,she decided to perform a hypothesis test. A random sample of 5 Kansas State students was chosen. The students took a 30-minute exercise every day for 6 month ...

Explain how you would conduct the study you designed in

Explain how you would conduct the study you designed in Question as a matched-subjects design. Question:- Design a randomized groups experiment to test the hypothesis that children who watch an hour-long violent televisi ...

Are memoirs a primary or a secondary source could they be

Are memoirs a primary or a secondary source? could they be considered both a primary and secondary source?

Onenbspstudy based on responses from 1015 randomly

One study, based on responses from 1,015 randomly selected teenagers, concluded that 44% of teenagers cite grades as their greatest source of pressure. Use a 0.05 significance level to test the claim that fewer than half ...

1 why are psychologists sometimes interested in

1. Why are psychologists sometimes interested in epidemiology? 2. Why do researchers use probability rather than nonprobability samples when doing descriptive research?

Jolie takes 45 minutes to do her statistics homework if the

Jolie takes 45 minutes to do her statistics homework. If the mean is 38 minutes and the standard deviation is 3, calculate Jolie's z score. Once calculated, interpret your findings in terms of Jolie's performance.

1 find the p valuep for the indicated hypothesis test with

1) Find the P value(P= ?) for the indicated hypothesis test with the given standardized test statistic z. Decide whether to reject Ho for the given level of significance.  Two tail test, z = 2.30, alpha = 0.01 2) Find th ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen