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The following contingency table shows the observed results of 188 patients after being given a new medicine or a placebo. Calculate the expected frequency for
The following contingency table shows the observed results of 188 patients after being given a new medicine or a placebo. Calculate the expected frequency for each cell. At the 0.01 level of significance, is there enough evidence to reject the claim that the proportions of the results for medicine and placebo treatments are the same? medicine placebo totals] improvement 39 25 64 no change 54 70 124 totals 93 95 188 Select the correct answer below: At the 0.01 level of significance there is enough evidence to reject the claim that the proportions of the results for medicine and placebo treatments are the same. O At the 0.01 level of significance there is not enough evidence to reject the claim that the proportions of the results for medicine and placebo treatments are the same
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