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? 6. The Weather Bureau reports that there is an average of 4 severe snowstorms every winter. From a sample of the past 63 winters, the sample average number of snowstorms was found to be 4.84. The population standard deviation is known to be 2 snowstorms. Using a 10% level of significance, is the Weather Bureau's claim true? a) Determine the p-value and interpret the results