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Author Question: A sample of size 40 is taken from an infinite population whose mean and standard deviation are 68 ... (Read 100 times)

V@ndy87

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on: Jun 24, 2018
A sample of size 40 is taken from an infinite population whose mean and standard deviation are 68 and 12, respectively. The probability that the sample mean is larger than 70 equals
 a. P(Z > 70) c. P(Z > 0.17)
  b. P(Z > 2) d. P(Z > 1.05)

Question 2

If the coefficient of determination is 0.95, this means that 95 of the y values were predicted correctly by the regression line.
  Indicate whether the statement is true or false


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tsternbergh47

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

D

Answer to Question 2

F


V@ndy87

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Reply 2 on: Jun 24, 2018
:D TYSM

milbourne11

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Reply 3 on: Yesterday
Gracias!

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