ccispoppin12

02.05.2021 • 

Mathematics

50 PTSWhich statements must be true to model a data set using a normal distribution? The population mean must be greater than the sample mean.
The sample size, n, must be at least 30.
The standard deviation of the population must be less than 30.
The sample must be randomly selected.
The sample mean must equal the population mean.
-There are multiple answers

Ответ:

dewonpruitt22

14.08.2021

Mathematics

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50=100%

X=90%

X=50*90%/100

X=45

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