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 O 0.2466 O 0.3932
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 O 0.2466 O 0.3932
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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P7
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
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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