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26.07.2019 •
Mathematics
Ana dives into a pool off of a springboard high dive. her height (in meters above the water), xxx seconds after diving, is modeled by h(x)=-5(x+1)(x-3). what is the height of ana above the water at the time of diving?
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Ответ:
68% of the area
Step-by-step explanation:
The Empirical Rule states that, for a normally distributed random variable:
Approximately 68% of the measures are within 1 standard deviation of the mean.
Approximately 95% of the measures are within 2 standard deviations of the mean.
Approximately 99.7% of the measures are within 3 standard deviations of the mean.
In this question:
By the Empirical Rule, 68% of the area is within 1 standard deviation of the mean.