kayleighnewnum481 kayleighnewnum481

07-07-2017
Mathematics

contestada

The mean of a normal probability distribution is 500 and the standard deviation is 10. about 95.44 percent of the observations lie between what two values?

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musiclover10045 musiclover10045

07-07-2017

per the 68-95-99 rule

95 % lie within 2 standard deviations

so 2 x 10 = 20

500-20 = 480

500+ 20 = 520

so 95% lie between 480 and 520

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