medpjd6212 medpjd6212

13-03-2018
Mathematics

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the eletric copany took a survey of its customers and found that 91 of 100 people said that they were pleased with there service . the phone company has 8000 customers . what is a good prediction of the number of customers that are sastisfied A;;7580 B; 7280 C; 7080 D;7208

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franciscoomarti franciscoomarti

13-03-2018

Answer is b 8000-91%=7280

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