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Author Question: Assume that women's heights are normally distributed with a mean of 63.6 inches and a standard ... (Read 91 times)

P68T

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on: Aug 2, 2018
Assume that women's heights are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches. If 90 women are randomly selected, find the probability that they have a mean height between 62.9 inches and 64.0 inches.
 
  A) 0.0424 B) 0.7248 C) 0.9318 D) 0.1739

Question 2

If a change of one unit in variable X is accompanied by a constant change in variable Y, then X and Y are related.
 
  a. not
  b. linearly
  c. nonlinearly
  d. correlationally


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Ahnyah

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Reply #1 on: Aug 2, 2018
Answer to Question 1

C

Answer to Question 2

B


P68T

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Reply 2 on: Aug 2, 2018
Wow, this really help

amit

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Reply 3 on: Yesterday
Excellent

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