MATH302 D009 Week 4 Fall – APEI Miguel Goode with 100% accurate solutions + rationales

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MATH302 D009 Fall 2025-2026 – APEI
Miguel Goode with 100% accurate
solutions + rationales


Week 4 Test - Results



Attempt 1 of 2

Written Dec 26, 2025 1:51 AM - Dec 26, 2025 2:45 AM




Attempt Score - 90 %
Overall Grade (Highest Attempt) - 90 %




Question 1 point

The mean yearly rainfall in Sydney, Australia, is about 134 mm and the
standard deviation is about 66 mm ("Annual maximums of," 2013). Assume
rainfall is normally distributed. How many yearly mm of rainfall would there
be in the top 15%? Round answer to 2 decimal places. Answer: ___202.40___

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Top 15%, is in the bottom 85% percentile.
In Excel,

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=NORM.INV(.85,134,66)




Question 2 point

Find P(Z ≥ .42). Round answer to 4 decimal places. Answer: ___0.3372___

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In Excel,
=1-NORM.S.DIST(0.42,TRUE)




Question 3 point

Find P(Z > -.98). Round answer to 4 decimal places. Answer: ___0.8365___



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In Excel,
=1- NORM.S.DIST(-.98,TRUE)




Question 4 point

Which type of distribution does the graph illustrate?

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