Statıstıcs I Deneme Sınavı Sorusu #851134
I. The standard normal curve is symmetric around the mean µ = 0.
II. The standard normal distribution has a standard deviation ? = 1 of the distribution.
III. The area under the standard normal distribution function for P (z ? 4.25) is exactly 1.
Which of the given statements can be said to be true about the standard normal distribution function?
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Only I |
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Only II |
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I and II |
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I and III |
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II and III |
Yanıt Açıklaması:
The standard normal curve is symmetric around the mean µ = 0. The standard normal distribution has a standard deviation ? = 1 of the distribution. The area under the standard normal distribution function for P (z ? 4.25) is approximately 1.
The answer is C.
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