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Mean = 20 Variance = 16 1) What is the sample mean at which 65% of...

Mean = 20 Variance = 16

1) What is the sample mean at which 65% of the data falls at or below?

2) What is the sample mean at which 82% of the data falls at or above?

3) Within what two sample means do 90% of the means fall (i.e. symmetrically)?

Math   Statistics-And-Probability   
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