![A First Course in Probability (10th Edition)](https://www.bartleby.com/isbn_cover_images/9780134753119/9780134753119_smallCoverImage.gif)
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](https://content.bartleby.com/qna-images/question/5292d29f-9c8c-4d67-a8b7-35c049708d82/d92a0157-16b9-4c9e-8a37-c08c9c49ee0e/y19tii_thumbnail.jpeg)
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](https://content.bartleby.com/qna-images/question/5292d29f-9c8c-4d67-a8b7-35c049708d82/d92a0157-16b9-4c9e-8a37-c08c9c49ee0e/dv6vn4b_thumbnail.jpeg)
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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