Find the area of the triangle to the nearest tenth.
1 answer:
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Answer:
97.73%
Step-by-step explanation:
Mean (μ) = 170
Standard deviation (σ) = 5
Assuming a normal distribution, for any observed value, X, the z-score is determined by:
For X = 180:
A z-score of 2 corresponds to the 97.73-th percentile of a normal distribution.
Therefore, the percentage of data that is less than 180 is 97.73%.