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123iamthe1
25.05.2021 •
Mathematics
Select all the properties that must be true of a normal distribution.
a
The distribution has a height of zero when it is more than 3 standard deviations away from the center.
b
The area under the normal distribution curve and within 2 standard deviations of the center is about 95% of the total area under the curve.
c
The distribution is bell-shaped.
d
The total area under the normal distribution curve is 1.
e
The distribution is centered at the mean absolute deviation.
f
The distribution is determined by the mean and standard deviation.
Question 2 (1 point)
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Ответ:
D. 3,465 units^3
Step-by-step explanation:
Just took the test on edge : ) Hope this helps!