The confidence level and sample data to find a confidence interval for estimating the population mu. round your answer to the same number of decimal places as the sample mean 88.2 < μ < 93.0.
<h3>What are the confidence level?</h3>
The confidence stage refers to the proportion of probability, or certainty, that the self-belief c language could include the real populace parameter whilst you draw a random pattern many times.
- We have this given info:
- n = 92 = pattern length xbar = 90.6 = pattern imply
- sigma =8.! = populace popular deviation
- C=99% self-assurance level
- Because n > 30 and due to the fact we recognize sigma, this permits us to apply the Z distribution (aka popular ordinary distribution).
- At 99% self-assurance, the z essential price is more or less z = 2.576 use a reference sheet, table, or calculator to decide this.
- The decrease sure of the self assurance c programming language (L) is more or less L = xbar - z*sigma/sqrt(n) L = 90.6-2.576*8.9/sqrt(92) perp= 88.209757568781 perp= 88.2
- The top sure (U) of this self assurance c programming language is more or less U = xbar + z*sigma/sqrt(n) L = 88.209757568781 L = 88.2.
- The top sure (U) of this self assurance c programming language is more or less U=xbar+z^ * sigma/sqrt(n) U = 90.6 + 2.576*8.9/sqrt(92) U = 92.990242431219
- U = 93.0.
- Therefore, the self assurance c programming language withinside the format (L, U) is about (88.2, 93.zero).
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The amount of debt to casj that would entry to the record sales would be 970$.
This because, the cash amount that will be received is equal to sales values multiplied by one less the credit card fee.
With that being said:
1000 x (1-0,03)
1000 x 0,97 = 970$
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We are made of our dreams, our small lives are filled with sleep
I hope this helps, let me know if you need something different.
Answer:
Answer:
d. a letter to a customer denying a request for credit.
Routine messages are part of a business' daily operations; It communicates the what, who, where and when elements of operations. They are usually simple and positive requests for information or action by one person to another, daily meeting with coworkers, new updates and instructions as well as replies to customers. Among the choices given, a letter to a customer denying a request for credit is not part of it.
