A normal population has a mean fµ = 20 and standard deviation o = 4. Round answers up to four decima places. a) The proportion of the population that is less than 18 is b) The probability that a randomly chosen value is greater than 25 is

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A normal population has a mean μ=20 and standard deviation σ=4 . Round answers up to four decimal places.

a) The proportion of the population that is less than 18 is  . 

b) The probability that a randomly chosen value is greater than 25 is 

A normal population has a mean fµ = 20 and standard deviation o = 4. Round answers up to four decimal
places.
a) The proportion of the population that is less than 18 is
b) The probability that a randomly chosen value is greater than 25 is
Transcribed Image Text:A normal population has a mean fµ = 20 and standard deviation o = 4. Round answers up to four decimal places. a) The proportion of the population that is less than 18 is b) The probability that a randomly chosen value is greater than 25 is
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