Answer
0.3192
Work Step by Step
To calculate P(x̄ < 62.6), we need to find the z-score:
$z = \frac{x̄ - μ_{x̄}}{σ_{x̄}}$
$= \frac{62.6-64}{3}$ = -0.47
P(z < -0.47) = 0.3192, hence:
P(x̄ < 62.6) = 0.3192
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