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The Scottsdale fire department aims to respond to fire calls in 5 minutes or less, on average. Response times are normally distributed with a standard

The Scottsdale fire department aims to respond to fire calls in 5 minutes or less, on average. Response times are normally distributed with a standard deviation of 1 minute. Would a sample of 20 fire calls with a mean response time of 5 minutes 30 seconds provide sufficient evidence to show that the goal is not being met at = .01?

Demonstrate calculation please.

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