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5. Last year, there was an average of 8 accidents on the 401 every day. To lower the number of accidents, the Ministry of Transportation

5. Last year, there was an average of 8 accidents on the 401 every day. To lower the number of accidents, the Ministry of Transportation lowered the maximum speed allowed. From a sample of 18 days this year, the sample average was 7.91 accidents and the sample standard deviation was .085. Using a 1% level of significance, has the number of accidents been lowered

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