.2.13 Use the data in the following table, which lists drive-thru order accuracy
ID: 3355468 • Letter: #
Question
.2.13 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 324 273 230 132 34 11 Order Accurate Order Not Accurate 38 If two orders are selected, find the probability that they are both from Restaurant D a. Assume that the selections are made with replacement. Are the events independent? b. Assume that the selections are made without replacement. Are the events independent? a. Assume that the selections are made with replacement. Are the events independent? The probability of getting two arders from Restaurant D is 131. The events areindependent because choosing the first order Round to four decimal places as needed.) affects the choice of the second order Enter your answer in the answer box and then click Check Answer Clear All FI F2 F3 F4 F5 #6 F7Explanation / Answer
from above:
a)
probability of getting both from restaurant D =(143/1097)*(143/1097)= 0.0170
the events are independent ........ does not affect............
b)
probability of getting both from restaurant D =(143/1097)*(142/1096)=0.0169
the events are not ................. affect ............
A B C D Total accurate 324 273 230 132 959 not accurate 38 55 34 11 138 Total 362 328 264 143 1097Related Questions
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