The average salary for a certain profession is $63,000. ASsume that the standard deviation of such salaries is $34,500. Consider a random sample of 64 people in this profession and let x represent the mean salary for the sample. Click the icon to view the table of normal curve areas. What is 7 a. b. What is o? a: = (Round to two decimal places as needed.) c. Describe the pe of the sampling distribution of x. O A. The shape is that of a uniform distribution. O B. The shape is that of a poisson distribution. O C. The shape is that of a normal distribution. O D. The shape is that of a binomial distribution. d. Find the z-score for the value x = 54,500. z= (Round to two decimal places as needed.) Find P (x> 54,500). e. P(x> 54,500) = (Round to three decimal places as needed.)

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The average salary for a certain profession is $63,000. Assume that the standard deviation of such salaries is $34,500. Consider a random sample of 64 people in this profession and let x represent the mean salary for the sample.

The average salary for a certain profession is $63,000. Assume that the standard deviation of such salaries is $34,500. Consider a random sample of 64 people in this profession and let x represent the mean salary for the sample.
Click the icon to view the table of normal curve areas.
What is H?
a.
b.
What is o;?
o; = (Round to two decimal places as needed.)
%3D
с.
Describe the shape of the sampling distribution of x.
O A. The shape is that of a uniform distribution.
O B. The shape is that of a poisson distribution.
O C. The shape is that of a normal distribution.
O D. The shape is that of a binomial distribution.
d.
Find the z-score for the value x = 54,500.
(Round to two decimal places as needed.)
Find P (x> 54,500).
e.
P(x>54,500) = (Round to three decimal places as needed.)
%3D
Transcribed Image Text:The average salary for a certain profession is $63,000. Assume that the standard deviation of such salaries is $34,500. Consider a random sample of 64 people in this profession and let x represent the mean salary for the sample. Click the icon to view the table of normal curve areas. What is H? a. b. What is o;? o; = (Round to two decimal places as needed.) %3D с. Describe the shape of the sampling distribution of x. O A. The shape is that of a uniform distribution. O B. The shape is that of a poisson distribution. O C. The shape is that of a normal distribution. O D. The shape is that of a binomial distribution. d. Find the z-score for the value x = 54,500. (Round to two decimal places as needed.) Find P (x> 54,500). e. P(x>54,500) = (Round to three decimal places as needed.) %3D
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