Answer
µ = 434.75
σ = 16.55
Work Step by Step
n = 1175, p = 0.37
Using known equations, we find:
$µ = np = 1175 \times 0.37 = 434.75$
$σ = \sqrt {np (1-p)} = \sqrt {1175\times 0.37 (1 - 0.37)} = 16.55$
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