Normal probability-z-score

Reference no: EM13101550

Lab technicians at a major mdical lab can process an average of 400 blood samples a day with a standard deviation of 50 samples. The processing follows a normal distribution.

Convert 445 blood samples into a z-value (standard score).

What is the area under the normal curve between 400 and 482?

What is the area under the normal curve for ratings greater than 482?

Interpret the result. What does the standard score represent? What does the area under the normal curve mean?

Reference no: EM13101550

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