The value of area under the normal curve at a z-score of 0.33 with respect to the mean is 0.63 (2 dp).
It is a value that describes the deviation of a value from the standard deviation. Z-score is the number of standard deviations a given data point lies above or below mean.
To find the area under the normal curve at a specific value of z we look into the normal distribution table.
At 0.33 we can see that the value is 0.6293. This value is given from the center, which is the mean of the data.
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