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Author Question: Two standard deviations about the mean of a normal distribution include approximately ________ of ... (Read 78 times)

jenna1

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on: Jun 28, 2018
Two standard deviations about the mean of a normal distribution include approximately ________ of all observations.
 a. 90
 b. 95
 c. 99
 d. Can't say; it depends on the size of the population.

Question 2

The most popular method for setting appointments is by telephone.
 
 Indicate whether the statement is true or false


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bobsmith

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Reply #1 on: Jun 28, 2018
Answer to Question 1

b

Answer to Question 2

T


jenna1

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Reply 2 on: Jun 28, 2018
Excellent

mohan

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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