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Author Question: A toy train layout designed to represent an actual railyard is an example of an analog model. ... (Read 44 times)

Charlie

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A toy train layout designed to represent an actual railyard is an example of an analog model.
  Indicate whether the statement is true or false

Question 2

A manufacturing process produces items whose weights are normally distributed. It is known that 22.57 of all the items produced weigh between 100 grams up to the mean and 49.18 weigh from the mean up to 190 grams. Determine the mean and standard deviation.



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Yixagurpuldink

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Answer to Question 1

F

Answer to Question 2

mean = 113; standard deviation = 30




Charlie

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it


kjohnson

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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