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Author Question: A toy train layout designed to represent an actual railyard is an example of an analog model. ... (Read 66 times)

Charlie

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on: Jun 24, 2018
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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Reply #1 on: Jun 24, 2018
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
:D TYSM

scottmt

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Reply 3 on: Yesterday
Excellent

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