Water permeability of concrete can be measured by letting, Ask an Expert

Management Studies

Water permeability of concrete can be measured by letting water flow across the surface and determining the amount lost (in inches per hour). Suppose that the permeability index x for a randomly selected concrete specimen of a particular type is normally distributed with mean value 1000 and standard deviation 150.

a. How likely is it that a single randomly selected specimen will have a permeability index between 850 and 1300?

b. If the permeability index is to be determined for each specimen in a random sample of size 10, how likely is it that the sample mean permeability index will be between 950 and 1100? between 850 and 1300?

View complete question

Business Management, Management Studies

Category:- Business Management
Reference No.:- M91726078

Have any Question?Write your Review or question?

Related Questions in Business Management

While change is a natural part of our professional lives

While change is a natural part of our professional lives. also the resistance to the change. What are main principles reasoning why employees are resisting change? And what are the strategies that a leader or manager can ...

What is the basic premise of abraham maslows hierarchy of

What is the basic premise of Abraham Maslow's hierarchy of needs theory and what levels comprise the hierarchy?

Consider the following cournot oligopolythere are two

Consider the following Cournot oligopoly: There are two identical firms in the industry, which set their quantities produced simultaneously. The two firms face a market demand curve, Q = 120 - P, in which Q = q1 + q2. Ea ...

Imagine you are the chief adviser to the australian prime

Imagine you are the Chief adviser to the Australian Prime Minister. 1) Clearly explain to him the meaning of 'subprime debt'? What are the risks and advantages of such financial instruments? a) What is a CDO? b) What is ...

1 describe using pseudocode as described in class an

1. Describe using pseudocode as described in class an algorithm that takes a list of n integers a1, a2, ..., an, and finds the average of all negative integers in the list. Be sure to initialize the variables. 2. The bub ...

Do i include an apa outline in the final draft of a course

Do I include an APA outline in the final draft of a course project? I am unsure if I should use the outline, a table of contents, or both. The Professor had asked for an outline as a deliverable earlier in the course but ...

In the basic break-even equation the term contribution is

In the basic break-even equation, the term contribution is used. What does the term contribution mean here? What does this number tell the manager?

Many of the relationships in our macroeconomic models are

Many of the relationships in our macroeconomic models are linear; two variables are related by the equation for a straight line y = mx+b. What is the relationship between (i) the sign of the slope m and (ii) the cyclical ...

Consider a privately owned retail business that sells metal

Consider a privately owned retail business that sells metal accessories. The business receives approximately 250 Ibs of new merchandise every day. Since much of the merchandise sold must be matched to an old sample for v ...

Why does honeywell spend so much time dealing with

Why does Honeywell spend so much time dealing with supply-chain management issues? Wouldn't the company be better off focusing on its own manufacturing operations? Explain your answer.

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

Recent Questions

Ask Business Management Expert