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Calculating probability under a standard normal curve

We are estimating the spares requirement for a radar power supply. The power supply was designed with a mean (μ) life of 6500 hours. The standard deviation (σ) determined from testing is 750 hours. What is the likelihood that a power supply would fail in less than 4880 hours?

Solution Summary

The solution gives detailed steps on calculating the likelihood that a power supply would fail in less than 4880 hours under a standard normal curve.

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