Elaine is enrolled in a self-paced course that allows three attempts to pass an examination on the material. She skims the online reading and then takes the exam. On the first try she has probability 0.4 of passing. If she fails on the first try, her probability on the second try increases to 0.5 because she learned something from her first attempt. If she fails on two attempts, the probability of passing on a third attempt is 0.6. She will stop as soon as she passes. The course rules force her to stop after three attempts in any case.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Elaine is enrolled in a self-paced course that allows three attempts to pass an examination on the material. She skims the
online reading and then takes the exam. On the first try she has probability 0.4 of passing. If she fails on the first try, her
probability on the second try increases to 0.5 because she learned something from her first attempt. If she fails on two
attempts, the probability of passing on a third attempt is 0.6. She will stop as soon as she passes. The course rules force her to
stop after three attempts in any case.
Label the following tree diagram of Elaine's progress.
0.40
Answer Bank
O E
0.60
P
0.50
Fail
Fail
201
Fail
Pass
Raining now
^ @ D
2:55 PM
11/27/2022
Transcribed Image Text:Elaine is enrolled in a self-paced course that allows three attempts to pass an examination on the material. She skims the online reading and then takes the exam. On the first try she has probability 0.4 of passing. If she fails on the first try, her probability on the second try increases to 0.5 because she learned something from her first attempt. If she fails on two attempts, the probability of passing on a third attempt is 0.6. She will stop as soon as she passes. The course rules force her to stop after three attempts in any case. Label the following tree diagram of Elaine's progress. 0.40 Answer Bank O E 0.60 P 0.50 Fail Fail 201 Fail Pass Raining now ^ @ D 2:55 PM 11/27/2022
Label the following tree diagram of Elaine's progress.
0.40
Answer Bank
0.60
O E
0.50
Fail
Pass
LE
M
Fail
Pass
Raining now
Fail
Pass
^ @ □ (4)
2:55
11/27/
Transcribed Image Text:Label the following tree diagram of Elaine's progress. 0.40 Answer Bank 0.60 O E 0.50 Fail Pass LE M Fail Pass Raining now Fail Pass ^ @ □ (4) 2:55 11/27/
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