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Author Question: In an application for a credit card, potential customers are asked for their social security ... (Read 139 times)

Davideckstein7

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on: Jun 24, 2018
In an application for a credit card, potential customers are asked for their social security numbers. A social security number is an example of a _____.
 a. categorical variable
  b. quantitative variable
  c. categorical or quantitative variable, depending on how the respondents answered the question
  d. ratio variable

Question 2

A population has a standard deviation of 16 . If a sample of size 64 is selected from this population, what is the probability that the sample mean will be within 2 of the population mean?
 a. 0.6826
   b. 0.3413
   c. -0.6826
   d. Since the mean is not given, there is no answer to this question.


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joneynes

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

a

Answer to Question 2

a


Davideckstein7

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Reply 2 on: Jun 24, 2018
Gracias!

xiazhe

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

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