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NONstandard Normal Distribution

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NONstandard Normal Distribution Accelerated Math 3 Assume that IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. – PowerPoint PPT presentation

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Date added: 23 January 2019
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Title: NONstandard Normal Distribution


1
NONstandard Normal Distribution
  • Accelerated Math 3

2
Assume that IQ scores are normally distributed
with a mean of 100 and a standard deviation of
15. An IQ score is randomly selected from this
population. Draw a graph, and find the indicated
probability.
  • Ex. 1 P(xgt80)
  • Ex. 2 P80

3
  • Ex. 2 According to data, the 2011 graduates in
    Georgia had a mean of 487 and a standard
    deviation of 108 on the Math portion of the SAT.
  • A) Find the percentage of students who scored
    above a 600.
  • B) Find the probability of students scoring
    between 400 and 500.
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