In new york city the average response time for calls to the, Ask an Expert

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In new york city the average response time for calls to the first depatrment is a bout 5 minutes with a standarrd deviation of 1.5 minuties suppose response follow a normal distribuation.

1- What is the probability that a response time exceeds 9 minutes.

2- Compute the top 10 th percentile for response times?

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Category:- Statistics and Probability
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