The national Highway Traffic Safety Administration reported the percentage of traffic accidents occurring each day of the week (Time, March 12, 2012). A sample of 420 accidents  Day Frequency Sunday 66 Monday 50 Tuesday 53 Wednesday 47 Thursday  55 Friday  69 Saturday 80 Total 420 Using 0.05 level of significance, test if the proportion of traffic accidents is the same for each day of the week.

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The national Highway Traffic Safety Administration reported the percentage of traffic accidents occurring each day of the week (Time, March 12, 2012). A sample of 420 accidents 

Day Frequency
Sunday 66
Monday 50
Tuesday 53
Wednesday 47
Thursday  55
Friday  69
Saturday 80
Total 420

Using 0.05 level of significance, test if the proportion of traffic accidents is the same for each day of the week.

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