leeleeleeleex4 leeleeleeleex4
  • 25-05-2017
  • Mathematics
contestada

The SAT this year has a mean of 500 and a standard deviation of 50. What percent of students scored between 400 and 600? Question 9 options:

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javonp23
javonp23 javonp23
  • 25-05-2017
the answer should be 95%
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WeatheringWithYou
WeatheringWithYou WeatheringWithYou
  • 25-05-2017
Going by the 68-95-97.8 rule, we can tell that 95% of students scored within 400 and 600. 

Also, I really hope that this isn't the average. I got a 1510.
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