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Suppose That for a Certain Illness, the Probability Is 40

Question 30

Multiple Choice

Suppose that for a certain illness, the probability is 40% that a given patient will improve without treatment. Then the probability that at least n out of 20 patients will improve without treatment is given in the following table: Suppose that for a certain illness, the probability is 40% that a given patient will improve without treatment. Then the probability that at least n out of 20 patients will improve without treatment is given in the following table: Suppose we count the test significant if the p-value is 0.05 or less. How many patients must show improvement in order to make the test statistically significant? A) 11 B) 12 C) 13 D) 14 Suppose we count the test significant if the p-value is 0.05 or less. How many patients must show improvement in order to make the test statistically significant?


A) 11
B) 12
C) 13
D) 14

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