A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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P7

Clay is heading to the store checkout. What is the probability that he will find customers waiting.in
line (one or more in the line)?
O 0.76
O 0.44
O 0.36
O 0.56
O 0.53
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Transcribed Image Text:Clay is heading to the store checkout. What is the probability that he will find customers waiting.in line (one or more in the line)? O 0.76 O 0.44 O 0.36 O 0.56 O 0.53
A single cashier is able to serve 15 customers per hour at a store checkout. An average of 9
customers arrive at the checkout each hour to be served.
What is the probability it will take longer than 7 minutes to serve a customer at the checkout?
O 0.02116
O 0.01490
O approximately 0
O 0.1738
0.2466
O 0.3932
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Transcribed Image Text:A single cashier is able to serve 15 customers per hour at a store checkout. An average of 9 customers arrive at the checkout each hour to be served. What is the probability it will take longer than 7 minutes to serve a customer at the checkout? O 0.02116 O 0.01490 O approximately 0 O 0.1738 0.2466 O 0.3932
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