The average salary for a certain profession is $78,000. Assume that the standard deviation of such...
The average salary for a certain profession is $78,000. Assume that the standard deviation of such salaries is 32,000.Consider a random sample of 68 people in this profession and let x over bar x represent the mean salary for the sample.
|
d. |
Find the z-score for the value
x overbar x=69,500. |
z=_________(Round to two decimal places as needed.)
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The average salary for a certain profession is $78,000. Assume
that the standard deviation of such...
The average salary for a certain profession is $78,000. Assume that the standard deviation of such...
The average salary for a certain profession is $78,000. Assume that the standard deviation of such salaries is 32,000.Consider a random sample of 68 people in this profession and let x over bar x represent the mean salary for the sample. e. Find Px>69,500. (Round to three decimal places as needed.)
The average salary for a certain profession is $78,000.Assume that the standard deviation of such salaries...
The average salary for a certain profession is $78,000.Assume that the standard deviation of such salaries is 32,000.Consider a random sample of 68 people in this profession and let x overbarx represent the mean salary for the sample. What is sigma Subscript x overbar σx? sigma Subscript x overbar σx=_______(Round to two decimal places as needed.)
The average salary for a certain profession is 78,000. Assume that the standard deviation of such...
The average salary for a certain profession is 78,000. Assume that the standard deviation of such salaries is 32,000. Consider a random sample of68 people in this profession and let x overbarx represent the mean salary for the sample. LOADING... a. What is mu Subscript x overbar μx? mu Subscript x overbarμx=
The average salary for a certain profession is$ 69,000. Assume that the standard deviation of such...
The average salary for a certain profession is$ 69,000. Assume that the standard deviation of such salaries is $ 39,500. Consider a random sample of 68 people in this profession and let x over bar x represent the mean salary for the sample. a. What is mu Subscript x over bar μx ? mu Subscript x over bar μx =________ b. What is sigma Subscript x over bar σx ? sigma Subscript x over bar σx =__________ (Round to...
The average salary for a certain profession is $75,500. Assume that the standard deviation of such...
The average salary for a certain profession is $75,500. Assume that the standard deviation of such salaries is $30,500. Consider a random sample of 71 people in this profession and let x over bar x represent the mean salary for the sample. a. What is mu Subscript x over barμ x ? mu Subscript x overbarμxequals=? b. What is sigma Subscript x over bar σ x? sigma Subscript x over bar σ x=________(Round to two decimal places as needed.) c....
The mean salary of people living in a certain city is $37500 with a standard deviation...
The mean salary of people living in a certain city is $37500 with a standard deviation of $1589. A sample of 46 people is selected at random from those living in the city. Find the probability that the mean income of the sample is less than $38000.
The Average sales price of single-family houses in Charlotte is $210,000 with a standard deviation of...
The Average sales price of single-family houses in Charlotte is $210,000 with a standard deviation of $35,000. A random sample of 49 single-family houses in Charlotte is selected. Let x bar represent the mean sales price of the sample. 1. Find the mean and standard deviation of x bar ,i.e, u x bar and o x bar . 2. What is the probability that the sample mean sales price x bar is more than $220,000?
The mean salary of people living in a certain city is $37,500 with a standard deviation...
The mean salary of people living in a certain city is $37,500 with a standard deviation of $2,041. A sample of 63 people is selected at random from those living in the city. Find the probability that the mean income of the sample is within $500 of the population mean. Round your answer to 4 decimal places.
core or Assume the average price of a laptop computer is 5725 with a standard deviation...
core or Assume the average price of a laptop computer is 5725 with a standard deviation of 300. The following data represent the prices of a sample of laptops at an erros lore. Coulate the each of the following prices a) $630 c) 5548 e) $914 b) 5861 d) $791 a) The Z-score of $639 is b) The z-score of $861 is c) The 2-score of $548 is d) The 2-score of $791 is e) The score of $914 is...
Assume the average price of a laptop computer is $725 with a standard deviation of $65....
Assume the average price of a laptop computer is $725 with a standard deviation of $65. The following data represent the prices of a sample of laptops at an electronics store. Calculate the z-score for each of the following prices a) S620 b) $897 d) $800 c) $539 e) 5963 a) The z-score of $620 is (Round to two decimal places as needed) b) The z-score of $897 is. (Round to two decimal places as needed.) c) The z-score of...
core or Assume the average price of a laptop computer is 5725 with a standard deviation of 300. The following data represent the prices of a sample of laptops at an erros lore. Coulate the each of the following prices a) $630 c) 5548 e) $914 b) 5861 d) $791 a) The Z-score of $639 is b) The z-score of $861 is c) The 2-score of $548 is d) The 2-score of $791 is e) The score of $914 is...
Assume the average price of a laptop computer is $725 with a standard deviation of $65. The following data represent the prices of a sample of laptops at an electronics store. Calculate the z-score for each of the following prices a) S620 b) $897 d) $800 c) $539 e) 5963 a) The z-score of $620 is (Round to two decimal places as needed) b) The z-score of $897 is. (Round to two decimal places as needed.) c) The z-score of...
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