Mathematics, 29.07.2019 21:50 dejhuanstafford8512
Aresearcher would like to test the claim that 9 out of 10 doctors prefer brand x. a sample of 60 doctors is obtained and each is asked to compare brand x with another leading brand. the data show that 48 of the doctors picked brand x. if these data are evaluated using a chi-square test for goodness of fit, what is the expected frequency for brand x? quizlet
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