Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Find the critical value and test statistic value follows normal distribution.

1. Using z-table (Table E), find the critical value (or values) for a a = .14 right-tailed test.

A) .1406

B) 1.08

C) 0.0557

D) 1.54

2. At a certain university, the average cost of books per student was $400 per student last semester. In a sample of 40 students this semester, their average cost was $430 with a standard deviation of $80. The Dean of Students believes that the costs are greater this semester. What is the test value for the hypothesis?

1) 15.00

2) 2.37

3) 0.38

4) 0.75

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922060

Have any Question? 


Related Questions in Statistics and Probability

1 why must a different t-test be used for matched-subjects

1. Why must a different t-test be used for matched-subjects and within-subjects designs than for randomized groups designs? 2. What was W. S. Gosset's contribution to behavioral research?

Assume that you want to construct a 95 confidence interval

Assume that you want to construct a 95% confidence interval estimate of a population mean. Find an estimate of the sample size needed to obtain the specified margin of error for the 95% confidence interval. The sample st ...

Exercises -81- for each of the following pairs explain why

Exercises - 8.1- For each of the following pairs, explain why you believe that they are positively related, negatively related, or essentially unrelated. If they are related, identify the dependent variable. a. The cost ...

Consumer reports provided extensive testing and ratings for

Consumer Reports provided extensive testing and ratings for more than 100 HDTVs. An overall score, based primarily on picture quality, was developed for each model. In general, a higher overall score indicates better per ...

A random sample of 1260 adults living innbspnew york

A random sample of 1,260 adults living in New York city was asked (among other things) to name their favorite sports (to watch). Of the 670 females in the survey, 375 indicated that baseball was their favorite sport. Of ...

Do men and women select different breakfasts the breakfasts

Do men and women select different breakfasts? The breakfasts ordered by randomly selected men and women at a popular breakfast place is shown inTable 11.55. Conduct a test for homogeneity at a 5% level of significance. F ...

Getting ready for a re-test for applied managerial

Getting ready for a re-test for Applied Managerial Statistics and will need some assistance. It is 24 questions and I have 3 hours once I access it. This should be an advanced question.

Please read below i need help right away i have posed this

Please read below. I need help right away. I have posed this problem in three different ways an the only consistant answer I get is instructing me to go pay money to another site. PLEASE HELP! Inferential Research and St ...

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?

In a normal distribution what percentage of scores fall

In a normal distribution, what percentage of scores fall between -1 and +1 standard deviations from the mean? Between the mean and -2 standard deviations ? Between the mean and +3 standard deviations?

  • 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