I the Mean of a Normal Distribution Is Represented by σ

question 78

Multiple Choice

i. The mean of a normal distribution is represented by σ.
ii. When referring to the normal probability function, there is not just one of them; there is a "family"
Of them.
iii. Some normal probability distributions have equal arithmetic means, but their standard deviations
May be different.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) is a correct statement but not (ii) or (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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