Use the data in the following​ table, which lists​ drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table.     ​Drive-thru Restaurant           A B C D           Order Accurate 321 263 244 146   Order Not Accurate 37 59                39         17         If one order is​ selected, find the probability of getting an order from Restaurant A or an order that is accurate. Are the events of selecting an order from Restaurant A and selecting an accurate order disjoint​ events?

Question
Use the data in the following​ table, which lists​ drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table.
 
 
​Drive-thru Restaurant  
     
 
A
B
C
D
 
 
     
Order Accurate
321
263 244 146
 
Order Not Accurate
37
59                39         17
 
 
 
 
If one order is​ selected, find the probability of getting an order from Restaurant A or an order that is accurate. Are the events of selecting an order from Restaurant A and selecting an accurate order disjoint​ events?

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