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Karen arrives at the subway station every day at a random time and takes the first train that arrives. If she takes the A train, which arrives regularly every hour, she goes to the museum. If she takes the B train, which also arrives regularly every hour, she goes to the beach. A month after starting this game, she has gone to the beach 25 times and to the museum 5 times. Of the following options, which is the most likely explanation? Choose the correct answer below. OA. The A train always arrives 10 minutes after the B train, so Karen decides to wait for train A so she does not need to rush. OB. The A train always arrives 10 minutes before the B train, but Karen chooses to take train B. OC. The A train always arrives 10 minutes before the B train, but Karen misses train A and takes train B. OD. The A train arrives on the hour and the B train always arrives 30 minutes later, but Karen chooses wait the extra 30 minutes for train B. E. The A train always arrives 10 minutes after the B train, so Karen takes train B and does not wait for train A.

Karen arrives at the subway station every day at a random time and takes the first train that arrives. If she takes the A train, which arrives regularly every hour, she goes to the museum. If she takes the B train, which also arrives regularly every hour, she goes to the beach. A month after starting this game, she has gone to the beach 25 times and to the museum 5 times. Of the following options, which is the most likely explanation? Choose the correct answer below. OA. The A train always arrives 10 minutes after the B train, so Karen decides to wait for train A so she does not need to rush. OB. The A train always arrives 10 minutes before the B train, but Karen chooses to take train B. OC. The A train always arrives 10 minutes before the B train, but Karen misses train A and takes train B. OD. The A train arrives on the hour and the B train always arrives 30 minutes later, but Karen chooses wait the extra 30 minutes for train B. E. The A train always arrives 10 minutes after the B train, so Karen takes train B and does not wait for train A.

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 18E
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which one is correct?plz explain

Karen arrives at the subway station every day at a random time and takes the first train that arrives. If she takes the A train, which arrives regularly every hour, she goes to the museum. If she takes the B train, which also arrives regularly every hour, she goes to the beach. A month after starting this game, she has gone to the beach 25 times and to the museum 5 times. Of the following options, which is the most likely explanation? Choose the correct answer below. OA. The A train always arrives 10 minutes after the B train, so Karen decides to wait for train A so she does not need to rush. OB. The A train always arrives 10 minutes before the B train, but Karen chooses to take train B. OC. The A train always arrives 10 minutes before the B train, but Karen misses train A and takes train B. OD. The A train arrives on the hour and the B train always arrives 30 minutes later, but Karen chooses wait the extra 30 minutes for train B. E. The A train always arrives 10 minutes after the B train, so Karen takes train B and does not wait for train A.
Transcribed Image Text:Karen arrives at the subway station every day at a random time and takes the first train that arrives. If she takes the A train, which arrives regularly every hour, she goes to the museum. If she takes the B train, which also arrives regularly every hour, she goes to the beach. A month after starting this game, she has gone to the beach 25 times and to the museum 5 times. Of the following options, which is the most likely explanation? Choose the correct answer below. OA. The A train always arrives 10 minutes after the B train, so Karen decides to wait for train A so she does not need to rush. OB. The A train always arrives 10 minutes before the B train, but Karen chooses to take train B. OC. The A train always arrives 10 minutes before the B train, but Karen misses train A and takes train B. OD. The A train arrives on the hour and the B train always arrives 30 minutes later, but Karen chooses wait the extra 30 minutes for train B. E. The A train always arrives 10 minutes after the B train, so Karen takes train B and does not wait for train A.
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