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Author Question: In a poll of 50,000 randomly selected college students, 74 answered yes when asked Do you have a ... (Read 573 times)

nramada

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on: Jul 25, 2018
In a poll of 50,000 randomly selected college students, 74 answered yes when asked Do you have a television in your dorm room? Identify the sample and population.
 
  A) Sample: the 50,000 selected college students; population: all college students
  B) Sample: the 50,000 selected college students; population: the 74 who answered yes
  C) Sample: the 74 who answered yes; population: all college students
  D) Sample: all college students; population: the 50,000 selected college students

Question 2

A meteorological office keeps records of the annual precipitation in different cities. For one city, the mean annual precipitation is 25.2 and the standard deviation of the annual precipitation amounts is 3.7.
 
  Let x represent the annual precipitation in that city. Determine the z-score for an annual precipitation in that city of 24.8 inches. Round your final answer to two decimal places.
  A) -0.11 B) 0.84 C) 13.51 D) 0.11


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babybsemail

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Reply #1 on: Jul 25, 2018
Answer to Question 1

A

Answer to Question 2

A


nramada

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Reply 2 on: Jul 25, 2018
Excellent

samiel-sayed

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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