Mathematics, 21.01.2020 23:31, hehelupesss5245

Adata set has a mean of 50 and a standard deviation of 10. which of the following might possibly be true?

no less than 30% of the data values are less than 30 or greater than 70.

at least 15% of the data values are less than 20 or greater than 80.

at least 89% of the data values are between 20 and 80.

no more than 50% of the data values are between 30 and 70.

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Adata set has a mean of 50 and a standard deviation of 10. which of the following might possibly be...