Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

To estimate the average annual expenses of students on books and class materials a sample of size 36 is taken. The mean is $850 and the standard deviation is $54. A 99% confidence interval for the population mean is?

$823.72 to $876.28
$832.36 to $867.64
$826.82 to $873.18
$825.48 to $874.52

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M998409

Have any Question? 


Related Questions in Statistics and Probability

An economist wants to estimate the mean per capita income

An economist wants to estimate the mean per capita income (in thousands of dollars) for a major city in Texas. He believes that the mean income is $23.8, and the standard deviation is known to be $8.9. How large of a sam ...

Kindergarten children have heights that are approximately

Kindergarten children have heights that are approximately normally distributed about a mean of 38.8 inches and a standard deviation of 1.5 inches. If a random sample of 21 is taken, what is the probability that the sampl ...

In this exercise we present a family of algorithms each of

In this exercise, we present a family of algorithms, each of which produces the men's courtship matching, and contains the Gale-Shapley algorithm. Consider the following algorithm for matching men and women. At the start ...

Spss assignment 02the data set you need to do the

SPSS Assignment 02 The data set you need to do the assignment can be found on Blackboard in the folder "Assignments and due dates" and in the spreadsheet "Data for Assignment 2". This is a group assignment and you can su ...

An observational study is conducted to investigate the

An observational study is conducted to investigate the association between age and total serum cholesterol. The correlation is estimated at r=0.35. The study involves n=125 participants and the mean (std dev) age is 44.3 ...

An iq test is designed so that the mean is 100 and the

An IQ test is designed so that the mean is 100 and the standard deviation is 16 for the population of normal adults. Find the sample size necessary to estimate the mean IQ score of statistics students such that it can be ...

1 what are some ways in which scientists get ideas for

1. What are some ways in which scientists get ideas for their research? 2. Why can theories not be proved or disproved by research? 3. Given that proof and disproof are impossible in science, how does scientific knowledg ...

Tell which measures are resistant to outliers and which are

Tell which measures are resistant to outliers and which are NOT resistant to outliers from the following list, and explain WHY or WHY NOT for each measure: Mean, median, Quartiles, correlation, and standard deviation.

An analyst from an energy research institute in california

An analyst from an energy research institute in California wishes to precisely estimate the 99% confidence interval for the average price of unleaded gasoline in the state. In particular, she does not want the sample mea ...

1 true or false justify for

1. True or False. Justify for fullcredit. (a) A is an event, and Ac is the complement of A, then P(A AND Ac ) =0. (b) If the variance of a data set is 0, then all the observations in this data set must bezero. (c) If a 9 ...

  • 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

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

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