Question: Help Suppose X has a normal distribution with mean 20 and standard deviation five. Between what values of a do 68% of the values lie?

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Suppose X has a normal distribution with mean 20 and standard deviation five. Between what values of a do 68% of the values lie? Enter the exact answers. and the probability About 68% of the ac values lie between Number and Number ton are re me ster than 170
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