Question

A clinical trial is conducted comparing the use of Tamiflu on reduction of flu symptoms. Participants are randomly assigned to receive the Tamiflu or a placebo and the outcome is fewer flu symptoms. The data are shown here. Is there a significant difference in the proportions of patients reporting pain relief? Run the test at a 5% level of significance. Group 1 is the intervention group and group 2 is the placebo group. Fewer flu symptoms No change in flu symptoms Tamiflu 80 65 Placebo 71 50 What is the correct hypothesis for this scenario? $H_0: p_1 = p_2$ $H_1: p_1 \neq p_2$ $H_0: p_1 = 0$ $H_1: p_1 \neq 0$ $H_0: p_1 = 1$ $H_1: p_1 \neq 1$ $H_0: p_1 = 0$ $H_1: p_1 > 0$

          A clinical trial is conducted comparing the use of Tamiflu on reduction of flu symptoms. Participants are randomly assigned to receive the Tamiflu or a placebo and the outcome is fewer flu symptoms. The data are shown here. Is there a significant difference in the proportions of patients reporting pain relief? Run the test at a 5% level of significance. Group 1 is the intervention group and group 2 is the placebo group.
Fewer flu symptoms No change in flu symptoms
Tamiflu 80
65
Placebo 71
50
What is the correct hypothesis for this scenario?
$H_0: p_1 = p_2$
$H_1: p_1 \neq p_2$
$H_0: p_1 = 0$
$H_1: p_1 \neq 0$
$H_0: p_1 = 1$
$H_1: p_1 \neq 1$
$H_0: p_1 = 0$
$H_1: p_1 > 0$

A clinical trial is conducted comparing the use of Tamiflu on reduction of flu symptoms. Participants are randomly assigned to receive the Tamiflu or a placebo and the outcome is fewer flu symptoms. The data are shown here. Is there a significant difference in the proportions of patients reporting pain relief? Run the test at a 5% level of significance. Group 1 is the intervention group and group 2 is the placebo group.
Fewer flu symptoms No change in flu symptoms
Tamiflu 80
65
Placebo 71
50
What is the correct hypothesis for this scenario?
H0: p1 = p2
H1: p1 ≠ p2
H0: p1 = 0
H1: p1 ≠ 0
H0: p1 = 1
H1: p1 ≠ 1
H0: p1 = 0
H1: p1 > 0

Added by Francisco C.

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