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At an intersection the red light times are normally distributed with a mean time of three minutes and standard deviation of 0.25 minutes. Approximately what percentage of red lights last between 2.5 and
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At an intersection the red light times are normally distributed with a mean time of three minutes and standard deviation of 0.25 minutes. Approximately what percentage of red lights last between 2.5 and 3.5 minutes

User Raatje
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1 Answer

1 vote

Answer:

5x+2x=7x

Explanation:

they are like terms because they have the same variable/combination of variables in front of them.

User Forethinker
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