Mathematics, 07.01.2021 09:50 meadowsoares7
Pollsters take a survey of people at a ball game to collect and analyze data about favorite leisure activities of Star City’s residents. Would this study be biased? Why or why not?
No, it is not biased. The sample of people at the ball park is representative of Star City’s residents.
No, it is not biased. All people at the ball park will respond to the survey.
Yes, it is biased. Not all people at the ball park will respond to the survey.
Yes, it is biased. The sample of people at the ball park is not representative of Star City’s residents.
Answers: 2
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Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?
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Pollsters take a survey of people at a ball game to collect and analyze data about favorite leisure...
Mathematics, 29.08.2020 03:01