3 years ago

Question 1

Mathematics

1 answer:

bogdanovich [222]3 years ago

7 0

Answer: The percent of red lights last between 2.5 and 3.5 minutes = 95.44% approx.

Step-by-step explanation:

Given: Mean time = 3 minutes

standard deviation = 0.25 minutes

The probability of red lights last between 2.5 and 3.5 minutes :-

$P(2.5$

The percent of red lights last between 2.5 and 3.5 minutes = 95.44% approx.

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