Mathematics, 06.05.2020 04:39, darkghostmist
A polling organization had taken a survey of a sample of 200 people for one of their clients, in order to estimate a population percentage. Now the client would like them to reduce the margin of error by 50% (that is, the new margin of error should be half the original margin of error), while keeping the same level of confidence. To do this, how many people should they now survey
Answers: 3
Mathematics, 21.06.2019 21:00, kharmaculpepper
Joanie watched 1 out of three of a movie in the morning
Answers: 1
A polling organization had taken a survey of a sample of 200 people for one of their clients, in ord...
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