Estimate the area percentage under a normal curve to the left of a z-score of -1.63.

1 answer

To estimate the area percentage under a normal curve to the left of a z-score of -1.63, we can refer to a standard normal distribution table or use a statistical calculator.

From the standard normal distribution table, we find that the area to the left of a z-score of -1.63 is approximately 0.0516 or 5.16%.

Therefore, the area percentage under the normal curve to the left of a z-score of -1.63 is approximately 5.16%.