In an application for a credit card, potential customers are ...

[Davideckstein7]

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.

[joneynes]

Answer to Question 1

a

Answer to Question 2

a

[Davideckstein7]

Gracias!

[miss.ashley]

Thanks for the timely response, appreciate it