Question: Use the data in the followingtable, which listsdrive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in
Use the data in the followingtable, which listsdrive-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
332
332
269
269
246
246
149
149
Order Not Accurate
36
36
53
53
38
38
15
15
If one order isselected, find the probability of getting an order that is not accurate or is from Restaurant C. Are the events of selecting an order that is not accurate and selecting an order from Restaurant C disjointevents?
The probability of getting an order from Restaurant C or an order that is not accurate is
nothing
.
Are the events of selecting an order from Restaurant C and selecting an inaccurate order disjointevents?
The events
are not
are
disjoint because it
is
is not
possible to
receive an inaccurate order from Restaurant C.
pick an order from Restaurant A, B, or D.
pick an accurate order.
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