Use the data in the following table, which lists drive-thru order accuracy at po
ID: 3074739 • Letter: U
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
318
268
239
134
Order Not Accurate
35
50
39
15
If one order is selected, find the probability of getting an order from restaurant
Upper BB
or
Upper DD
or an order that is not accurate.
The probability of getting an order from restaurant
Upper BB
or
Upper DD
or an order that is not accurate is
nothing.
(Round to three decimal places as needed.)
Drive-thru Restaurant
A
B
C
D
Order Accurate
318
268
239
134
Order Not Accurate
35
50
39
15
Explanation / Answer
from above:
1)
probability of getting an order from restaurant B or D that is not accurate=(50+15)/1098 =0.059
A B C D total accurate 318 268 239 134 959 not accurate 35 50 39 15 139 total 353 318 278 149 1098Related Questions
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