Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

A digital camcorder repair service has set the goal not to exceed the average of 5 working days from the time the unit is brought in to time repairs are completed. A random sample of 12 repair records showed following repair times (in days): 9, 2, 5, 1, 5, 4, 7, 5, 11, 3, 7, 2.

(a) H0: μ≤ 5 days versus H1: μ> 5 days. Select the right option.

Reject H0 if t < 1.796

Reject H0 if t >1.796

(b) Compute the t-value.

True

False

(c) The null hypothesis must be rejected.

True

False

(d) The average repair time is longer than 5 days

True

False

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922687

Have any Question? 


Related Questions in Statistics and Probability

Research objectives to explore correlations between reward

Research Objectives To explore correlations between reward systems and team work attributes in the Saudi Arabian bank sector To explore relationships between reward systems and team work effectiveness in the Saudi Arabia ...

A researcher conducted an experiment on the effects of a

A researcher conducted an experiment on the effects of a new "drug" depression. The researcher had a control group, and an experimental group that received nothing, a placebo group, and an experimental group that receive ...

How might one relate einsteins theory of relativity to

How might one relate Einstein's theory of relativity to mathematical perspective in art?

Suppose that utility payoffs depend on decisions and states

Suppose that utility payoffs depend on decisions and states as shown in Table 1.3. Letp(θ1,),p(θ2)) denote the decision-makers subjective probability distribution over Ω = {θ1 ,θ2}. a. Suppose first that B = 35. For what ...

Let x have a poisson distribution with parameter lambda

Let X have a Poisson distribution with parameter lambda. Show that E(X)= lambda directly from the definition of expected value. [Hint: The first term in the sum equals 0, and then x can be canceled. Now factor out lambda ...

1e model for a simple linear regression

1. Recall the model for a simple linear regression:  where  is Normally distributed with mean 0 and variance , where Cov( ) = 0 for all i, j and Cov(  = 0 for all i,j.A day trader wishes to develop a prediction model for ...

A sample of office assistants across the san francisco-bay

A sample of office assistants across the San Francisco-Bay Area was created. You want to build a model that will allow you to best predict a starting salary of potential new hires.  It was suggested that the data should ...

How could the federal government at the time of the gilded

How could the federal government at the time of the Gilded Age have reduced the economy's exposure to panics and recessions?

A caterer is competing for a companys business the caterer

A caterer is competing for a company's business. The caterer randomly selects a past client and submits a tasting menu consisting of all the dishes prepared for the past client. What type of sample is this? A college fac ...

Cnsider selecting one card at a time from a 52-card deck

Consider selecting one card at a time from a 52-card deck. What is the probability that the first card is from the suit of hearts and the second card is also from the suit of hearts? (Note there are 13 cards from the sui ...

  • 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