SOLUTION: In a certain distribution of numbers, the mean is 90 with a standard deviation of 5. At least what fraction of the numbers are between 50 and 130? At least (blank)

Question 1116193: In a certain distribution of numbers, the mean is 90 with a standard deviation of 5. At least what fraction of the numbers are between 50 and 130?
At least (blank) of all the numbers must lie between 50 and 130.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Calculate the z scores for both values.

So then,

100%, up to 12 decimal places.

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SOLUTION: In a certain distribution of&#8203; numbers, the mean is 90 with a standard deviation of 5. At least what fraction of the numbers are between 50 and 130&#8203;? At least (blank)

SOLUTION: In a certain distribution of numbers, the mean is 90 with a standard deviation of 5. At least what fraction of the numbers are between 50 and 130? At least (blank)