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Given that , mean = 14.7% = 0.147 standard deviation = 33% = 0.33 (a) P(x...

Given that , mean = 14.7% = 0.147 standard deviation = 33% = 0.33 (a) P(x < 0) = P((x - m) / Stand.dev < (0 - 0.147) / 0.33) = P(z < -0.4454) = 0.328 Answer = 32.8%

I just want to know how did P(z< -.4454) = 0.328? looking at z table?

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