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The area that lies between Upper Z equals negative 0.73 and Upper Z equals 0.73 is 0.5346. ​(Round to four decimal places as​ needed.) Part 2 ​(b) The area that lies between Upper Z equals negative 0.61 and Upper Z equals 0 is enter your response here. ​(Round to four decimal places as​ needed.)

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sqdancefan

Answer:

  1. 0.5346
  2. 0.2291

Step-by-step explanation:

You want the probabilities p(-0.73 < Z < 0.73) and p(-0.61 < Z < 0).

Probabilities

These are found from a table of the normal CDF function, or using a calculator or spreadsheet. The attached calculator display shows the required areas are ...

  1. p(-0.73 < Z < 0.73) ≈ 0.5346 . . . . . matches your value
  2. p(-0.61 < Z < 0) ≈ 0.2291
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