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SAT, 22.06.2019 09:30
Aresearch institute poll asked respondents if they felt vulnerable to identity theft. in the poll, n=1085 and x=528 who said “yes”. use 90% confidence level
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SAT, 30.06.2019 13:00
Asociologist chose 300 students at random from each of two schools and asked each student how many siblings he or she has . the result are shown in the table below. there are a total of 2,400 students at lincoln school and 3,300 students at washington school .what is the median number of siblings for all the students surveyed ? a)0b)1c)2d)3
Answers: 1
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