the data in the following table, which lists drive-thru order acuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant C 233 38 A 267 53 Order Accurate 321 121 Order Not Accurate 36 14 If two orders are selected, find the probability that they are both accurate. Complete parts (a) and (b) below. a. Assume that the selections are made with replacement. Are the events independent? The probability is 0.7566. The events (Do not round until the final answer. Round to four decimal places as needed.) are independent. b. Assume that the selections are made without replacement. Are the events independent? The probability is The events (Do not round until the final answer. Round to four decimal places as needed.) independent. are
the data in the following table, which lists drive-thru order acuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant C 233 38 A 267 53 Order Accurate 321 121 Order Not Accurate 36 14 If two orders are selected, find the probability that they are both accurate. Complete parts (a) and (b) below. a. Assume that the selections are made with replacement. Are the events independent? The probability is 0.7566. The events (Do not round until the final answer. Round to four decimal places as needed.) are independent. b. Assume that the selections are made without replacement. Are the events independent? The probability is The events (Do not round until the final answer. Round to four decimal places as needed.) independent. are
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Transcribed Image Text: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 O
C
321
36
267
233
121
Order Accurate
Order Not Accurate
53
38
14
If two orders are selected, find the probability that they are both accurate. Complete parts (a) and (b) below.
a. Assume that the selections are made with replacement. Are the events independent?
The probability is 0.7566 The events
(Do not round until the final answer. Round to four decimal places as needed.)
are
independent.
b. Assume that the selections are made without replacement. Are the events independent?
The probability is The events
independent.
are
(Do not round until the final answer. Round to four decimal places as needed.)
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