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pshichka [43]
3 years ago
10

A company wants to determine if the average shearing strength of all rivets manufactured is more than 1000 lbs. A sample of 25 r

ivets is selected and tested for the shearing strength. After calculation, the mean shearing strength of these 20 selected rivets is 1003.8 lbs and a 99% confidence interval is (1001.4, 1006.2) for the average shearing strength of all rivets manufactured. Which of the following statement is true?
A- The average shearing strength of all rivets manufactured is1003.8lbs.
B- The average shearing strength of all rivets manufactured must be between 1001.4 and1006.2.
C- We are 99% confident that the average shearing strength of all rivets manufactured is more than 1000 lbs.
D- At 90% confidence level, we know that the average shearing strength of all rivets manufactured is between 1001.4 and 1006.2 lbs.
Business
1 answer:
ser-zykov [4K]3 years ago
4 0

Answer:

B- The average shearing strength of all rivets manufactured must be between 1001.4 and 1006.2.

Explanation:

The company manufactures rivets and it want to analyze the strength of the rivets manufactured. For this purpose the company has carried out hypothesis testing in which the confidence interval resulted to be 1001.4, 1006.2, this indicates that the average strength of each rivet must be between the two values.

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shepuryov [24]

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  • When YTM <u>rises</u>, the price of the bond <u>falls</u>.

<h3>What is Yield to Maturity?</h3>
  • It is the discount rate on the bond.
  • It shows the riskiness of the bond.

When the YTM is high, it means that the bond is more risky which leads to it having a lower price to compensate for the risk. The reverse is true.

Find out more on YTM at brainly.com/question/15172286.

8 0
2 years ago
Portia Grant is an employee who is paid monthly. For the month of January of the current year, she earned a total of 8,988. The
cluponka [151]

Answer:

$6,809.04

Explanation:

Calculation to determine what her net pay for the month is

Gross Pay (a) $8,988

Less: Deductions

Social Security Tax $557.26

($8,988 * 6.2%)

Medicare Tax $130.33

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Net Pay (a-b) $6,809.04

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6 0
2 years ago
The minimum salary for a running back is $1.35 million per year. One of the Whalers' running backs was hurt during the last game
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8 0
3 years ago
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Julli [10]

Answer:

The statement is: False.

Explanation:

Environmental sustainability refers to the set of efforts individuals and organizations make to use the natural resources an environment offers to satisfy people's needs while taking steps towards the conservation of those resources so they can be reused in the future. Environmental sustainability aims to avoid the indiscriminate exploitation of resources before some of them are extinct.  

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3 years ago
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The correct answer is A. Say's Law

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