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      ABCD     Order Accurate321263244146 Order Not Accurate3759                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
Asked Mar 31, 2019
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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Expert Answer

Step 1

Computing the probability of getting an order from Restaurant A or an order that is accurate:

Event A is defined as getting an order from restaurant A and B is defined as getting order that is accurate.

Addition rule for two events:

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Step 2

The probability of any event A is given below:

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Step 3

The probability of getting an order f...

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