Question

100 Points! Algebra question. Find the missing variable. Round your answers to the nearest hundredth. Photo attached. Please show as much work as possible. Thank you!

Answer 1

• 72.26

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Use z-score formula:

• z = (x - μ) / σ

Substitute given values and solve for x:

• x - μ = σz
• x = μ + σz
• x = 81.1 + (-1.34)*6.6 = 72.256 ≈ 72.26 (rounded)