richardjrrrortega55 richardjrrrortega55
  • 06-08-2020
  • Mathematics
contestada

The scores for all the Algebra 1 students at Miller High on a test are normally distributed with a mean of 82 and a standard deviation of 7. What percent of students made scores above 89?

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shaleenparikh1
shaleenparikh1 shaleenparikh1
  • 06-08-2020

Answer:

15.7% of students made above an 89.

Step-by-step explanation:

If the data is normally distributed, the standard deviation is 7, and the mean is 82, then about 68.2% of students made between 75 and 89. 13.6% made between 90 and 96, and 2.1% made over 96. 13.6+2.1=15.7%

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