At an intersection, the red light times are normally distributed with a mean time of 3 minutes and a standard deviation of 0.25 minutes. Approximately what percent of red lights last between 2.5 and 3.

Grokodile asked Sep 18, 2022

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Grokodile asked Sep 18, 2022

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24 votes

Answer:

95.4%

Explanation:

Z(low)=-2 0.022750132

Z(upper)=2 0.977249868

Sunny Kashyap answered Sep 22, 2022

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