Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Jun 24, 2024

Let X be the hardness measurement of a certain type of iron. A random sample of size n=40 is taken and it is found that

Let X be the hardness measurement of a certain type of iron. A random sample of size n=40 is taken and it is found that the sample mean is 172.3 and sample variance is 100. Test the null hypothesis

h0, miu= 170

h1, miu larger than 170

at the 5% level of significance. The value of the test statistic and the decision are

Step by Step Solution

There are 3 Steps involved in it

Step: 1

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

Step: 3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Graphical Approach To Precalculus With Limits A Unit Circle Approach, A

Authors: John E Hornsby, Margaret L Lial, Gary K Rockswold

5th Edition

0321899806, 9780321899804

More Books

Students also viewed these Mathematics questions

Question

★★★★★

Determine the magnitude of the projected component of the length of cord OA along the Oa axis. Given: a = 10 ft b = 5 ft c = 15 ft d = 5 ft θ1 = 45 deg θ2 = 60 deg b.

Answered: 1 week ago

Question

★★★★★

Each of the bond issues has a sinking fund requirement for retiring the entire principal amount of the issue on its maturity date. The coupon rates and rates of return on the sinking fund investments...

Answered: 1 week ago

Question

★★★★★

To what extent do you agree with the fundamental assumption of family therapy that the system, rather than the individual, is pathological?

Answered: 1 week ago

Question

★★★★★

1. How does King explain the connection between racial and economic injustice? 2. How are Kings ideas based in Christianity? 3. What did King learn from Gandhi? 4. What does King mean when he says...

Answered: 1 week ago

Question

★★★★★

Torres Company accumulates the following summary data for the year ending December 31,2020 , for its Water Division, which it operates as a profit center: sales $1,982,100 budget, $2,291,800 actual;...

Answered: 1 week ago

Question

★★★★★

Date Account Title and Explanation DR CR Jan 1 2019 Investment in Associate - Louis Inc. 18,000 Cash 18,000 Purchased 30% state with 3000 shares at $6 Jan 20 2019 Cash 62,500 Common Shares 62,500...

Answered: 1 week ago

Question

★★★★★

Becton Labs produces a variety of chemical compounds for industrial uses. The standard mix for February's production of 80,000 litres of Product "X" and the budgeted costs, are as follows: Liquid...

Answered: 1 week ago

Question

★★★★★

Q2) A jute packaging unit has planned production of 4950 kg of jute to be sold six months later. The spot price is 1940 per kg while six months futures are trading at 1880. The firm expects the price...

Answered: 1 week ago

Question

★★★★★

Scare-2-B-U (S2BU) specializes in costumes for all occasions. The average price of each of its costumes is $310. For each occasion, S2BU receives a 30 percent deposit two months before the occasion,...

Answered: 1 week ago

Question

★★★★★

The VIF for Engine Size found for the Full Model is 6.5147. This VIF is calculated based on an R-squared value from another model. This R-squared value is 0.846501. The resulting VIF is1/(1-0.846501)...

Answered: 1 week ago

Question

★★★★★

Quick Stop Fashion House produces "fast fashion" clothes that represent the current fad. In the foreign environment, this type of product is considered highly sensitive. O sensitive. O insensitive. O...

Answered: 1 week ago

Question

★★★★★

need step by step instruction about creating this: in NX12 PART NAME: BRACKET ALL FILLETS R .313 ALL ROUNDS R .625 2X .500 1/500 2.875 9.500 4750 2875 $500 3.000 750 GENTERED IN OBJECT 2.375

Answered: 1 week ago

Question

★★★★★

The first-hand information rule: If an event is communicated to us by someone who witnessed an event at first-hand, we will have more confidence in the information than if we were told about it by...

Answered: 1 week ago

Question

★★★★★

The background knowledge of the interpreter

Answered: 1 week ago

Question

★★★★★

The expert rule: We have more confidence in information presented by someone who is an expert in the field than by someone who is not.

Answered: 1 week ago

Previous Question Next Question