Asked by deez
At a local restaurant, the amount of time that customers have to wait for their food is normally distributed with a mean of 42 minutes and a standard deviation of 4 minutes. Using the empirical rule, what percentage of customers have to wait between 34 minutes and 50 minutes?
All Answers 1
Answered by
GPT-5 mini
AI
95%
Explanation: 34 = 42 − 2(4) and 50 = 42 + 2(4), so this is the interval mean ± 2σ, which (by the empirical rule) contains about 95% of the distribution.
Explanation: 34 = 42 − 2(4) and 50 = 42 + 2(4), so this is the interval mean ± 2σ, which (by the empirical rule) contains about 95% of the distribution.
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