The mean annual salary of classroom teachers is approximately normal

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The mean annual salary of classroom teachers is approximately normal with a mean of $45,915. Assume a standard deviation of $8000. Do the following for the variable “annual salary” of classroom teachers.
a) Determine the sampling distribution of the sample mean for sample of size 64.
The sample mean is
The sample standard deviation is
b) Determine the sampling distribution of the sample mean for samples of size 256.
The sample mean is
The sample standard deviation is
c) What is the probability that the sampling error made in estimating the population mean salary of all classroom teachers by the mean salary of the sample of 64 classroom teachers will be most $1000? (round to 4 decimal places)
d) What is the probability that the sampling error made in estimating the population mean salary of all classroom teachers by the mean salary of a sample of 256 classroom teachers will be at most $1000? ( round to 4 decimal place) 

Performance Management Issues

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You have been asked to return to your alma mater and speak to current students about performance management issues. To make the most of this experience for yourself and the students, write a three-to-five page paper (not including the title and reference pages) to help you prepare. Your paper should be written in a scholarly third-person tone; it should be in APA format. In addition to the introduction and conclusion, your paper should address the following:

  1. Explain the concept of “performance management.”
  2. Identify the most prominent types of performance management plans.
  3. Compare the plans’ impact on the employee and the organization.
  4. Discuss the relationship between performance management and compensation.
  5. Evaluate the factors that should be considered when successfully implementing performance management within an organization.

In addition to the text, cite at least two scholarly references to support your discussion.

 

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the principle of incident response and disaster recovery

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Need 500 – 600 words

All work should be cited in APA citation. Refer to the content area APA citations .

 

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Use Discount Code “Newclient” for a 15% Discount!

NB: We do not resell papers. Upon ordering, we do an original paper exclusively for you.

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Language and Communication

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Task 1:  Read the material for this week (Language and Communication) – UPLOADED

Task 2: Answer: * Over 3,000 languages have disappeared over the last 500 years, most of them vanishing without a trace. Fewer than 7,000 remain. It is now estimated that about 30 languages per year will become extinct during the current century. Do you see this demise as positive or negative?

* What are the advantages and disadvantages of a one common language worldwide?

Task 3:  Engage with 5 of your classmates you have not engaged with before and comment on their posts.