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Section 4.2 Homework
2. 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 |
335 |
275 |
244 |
126 |
|
Order Not Accurate |
32 |
54 |
36 |
11 |
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?
The probability of getting an order from Restaurant A or an order that is accurate is _______
Are the events of selecting an order from Restaurant A and selecting an accurate order disjoint events?
The events ________ disjoint because it _____ possible to _______________