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MariettaO [177]
3 years ago
9

The graph below shows three different normal distributions. 3 normal distributions are shown. They all peak at the same point, b

ut they all have different heights and widths. Which statement must be true?
A) Each distribution has a different mean and the same standard deviation.
B) Each distribution has a different mean and a different standard deviation.
C) Each distribution has the same mean and the same standard deviation.

D) Each distribution has the same mean and a different standard deviation.

Mathematics
2 answers:
yuradex [85]3 years ago
8 0

Answer:

D) Each distribution has the same mean and a different standard deviation.

Step-by-step explanation:

just took test edg2020

ella [17]3 years ago
7 0

Answer:

d

Step-by-step explanation:

edge 2020

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