MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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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
|
329
|
274
|
249
|
124
|
Order Not Accurate
|
35
|
55
|
31
|
15
|
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
nothing.
(Round to three decimal places as needed.)
Are the events of selecting an order from Restaurant A and selecting an accurate order disjoint events?
The events
disjoint because it
possible to
▼
are not
are
▼
is
is not
▼
pick an inaccurate order.
pick an order from Restaurant B, C, or D.
receive an accurate order from Restaurant A.
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