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Author Question: The number of television sets produced from an assembly line each day is known to have a standard ... (Read 72 times)

ec501234

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on: Jun 24, 2018
The number of television sets produced from an assembly line each day is known to have a standard deviation of 17.4 sets per day. The production line averaged 452.3 sets per day for 20 randomly selected days.
 
  Which of the following represents a 95 confidence interval for the population mean number of sets per hour?A) 452.3  9.4
  B) 452.3 + 11.3
  C) 452.3  13.8
  D) 452.3  7.63

Question 2

A professor is looking for a volunteer for a project. She chooses the individual whose name is first in alphabetical order. This is an example of a simple random sample.
 
  Indicate whether the statement is true or false


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Meganchabluk

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Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

FALSE


ec501234

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Reply 2 on: Jun 24, 2018
Gracias!

ryansturges

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Reply 3 on: Yesterday
Wow, this really help

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