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Questions about HW…

Questions about HW…. 12.6 Normal Distributions. Review Tomorrow and Friday Ch. 12 Test: MONDAY!. Normal Distribution. A normal distribution of data varies randomly from the mean, creating a mound-shaped pattern that is symmetric about the mean when graphed. Example 1:.

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Questions about HW…

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  1. Questions about HW…

  2. 12.6Normal Distributions Review Tomorrow and Friday Ch. 12 Test: MONDAY!

  3. Normal Distribution • A normal distribution of data varies randomly from the mean, creating a mound-shaped pattern that is symmetric about the mean when graphed.

  4. Example 1: • Approximate each probability. • P(x > 1.6) We are going to use our calculators!!! 

  5. Solution… • Press the “2nd” button, then the “vars” button…your screen should look like this: • Then scroll down to number 2, “normalcdf”

  6. Solution Cont’d… • This is what your screen should look like now: • Back to our example: P(x > 1.6) Answer: about 0.0548

  7. You Try: • P(-2.0 < x < 0.4) • P(x < -0.8) • P(-1.2 < x < 1.6)

  8. Homework P. 811 #8 – 24 evens *Due before you leave today*

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