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4a1s/RAS/PL - Aula 3.md
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@ -44,9 +44,13 @@ dg-publish: true
>2. The system shall be easy to learn by students with minimal training.
>3. The average delay for the users of a system to pay tolls shall be less than 15s.
>4. All users shall use the same mobile application.
>5. The maximum delay between the submission of a questionnaire and its confirmation must be half an hour.
>6. The operator shall be able to communicate by mobile phone with the bus driver.
>
>>[!hint] Resolution
>>[!hint]- Resolution
>>1. The communication system shall be available 95% of the time.
>>2. Users of the type students shall correctly use 80% of the system features with 20h of training on it.
>>3. More than 90% of the users
>>4.
>>2. Users of the type students with 20h of training shall correctly use 80% of the system features.
>>3. *precise and verifiable, but the using 'average' is not a good measurement* -> The maximum delay for the users of a system to pay tolls shall be less than 15s.
>>4. *depends on the context*
>>5. *precise and verifiable*