Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

A placement exam is given to 36 randomly chosen college students. Their mean score is 63.6 with the standard deviation of 15.1 points. Develop a 90% confidence interval for mean score on this placement exam for all students.

a. 23.48 < = mean <= 27.32

b. 2.42 <= mean <=3.98

c. 59.46 < = mean < = 67.74

d. 17.70 < = mean < = 18.90

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920701

Have any Question? 


Related Questions in Statistics and Probability

A shipment of 8 computers contains 2 with defects find the

A shipment of 8 computers contains 2 with defects. find the probability that a sample of size 4, drawn from the 8, will not contain a defective computer. What is the probability that a sample of 4 of the 8 computers will ...

Read full english transcript of osama bin ladens speechwhat

Read: full English transcript of Osama bin Laden's speech What are some examples of bin Laden's complaints against Western society? What seems to be his plan for the Islamic world?

What is the probability that a customer who bought an item

What is the probability that a customer who bought an item at regular price purchased the extended warranty? Purchased extended warranty of regular price- 0.21 Purchased extended warranty of sale price - 0.14 Did not pur ...

Your assignment this week is to describe structural

Your assignment this week is to describe structural equation modeling in which you include: (a) a comparison of the first and second generation models of structural equation modeling and their related major assumptions, ...

In a survey of 635 males ages 18-64399 say they have gone

In a survey of 635 males ages 18-64,399 say they have gone to the dentist in the past year.Construct 90% and 95% confidence intervals for the population proportion. Interpret the results and compare the widths of the con ...

Wat were the key political features of the roman republic

What were the key political features of the Roman Republic? How and why did this system of government collapse? Does our republic share any of the weaknesses of the Roman Republic?

A random sample of the price of gasoline from 40 gas

A random sample of the price of gasoline from 40 gas stations in a region gives the statistics below. Complete parts a) and b). ybar = $3.79, s = $0.27 a) Find a 95% confidence interval for the mean price of regular gaso ...

According to pew research center 71 of internet users

According to Pew Research Center, 71% of Internet users accessed video-sharing sites in August2011. A random sample of 50 Internet users was selected. Using the normal approximation to thebinomial distribution, what is t ...

1 why do researchers use factor analysis2 imagine that you

1. Why do researchers use factor analysis? 2. Imagine that you conducted a factor analysis on a set of variables that were uncorrelated with one another. How many factors would you expect to find? Why?

The setup is again as in exercise 931 but this time peter

The setup is again as in Exercise 9.31, but this time Peter chooses the integer k randomly according to a geometric distribution with parameter 1/2, that is, P(k = n) = 1/2n for each n ∈ N. How does this affect your answ ...

  • 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