You want to compare response rates percents of two regimens

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You want to compare response rates (percents) of two regimens. A power of 90% and a two-sided test of size 0.05 are desired. How many patients are needed to detect a difference between true response rates of p₁=30% and p₂=50%? Let the proportion in group 1 be q₁ = 0.4. Use the appropriate formula and show your work

Reference no: EM13609208

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