n a large clinical trial,
399 comma 922399,922
children were randomly assigned to two groups. The treatment group consisted of
198 comma 460198,460
children given a vaccine for a certain disease, and
3232
of those children developed the disease. The other
201 comma 462201,462
children were given a placebo, and
125125
of those children developed the disease. Consider the vaccine treatment group to be the first sample. Identify the values of
n 1n1,
ModifyingAbove p with caret 1p1,
ModifyingAbove q with caret 1q1,
n 2n2,
ModifyingAbove p with caret 2p2,
ModifyingAbove q with caret 2q2,
p overbarp,
and
q overbarq.
n1 = 198460
p1^ = 32/198460 = 0.0002
n2 = 201462
p2^ = 125/201462 = 0.0006
= p1^ - p2^ = 0.0002 - 0.0006 = -0.0004
= (1 - p1^) - (1 - p2^) = (1 - 0.0002) - (1 - 0.0006) = 0.0004
n a large clinical trial, 399 comma 922399,922 children were randomly assigned to two groups. The treatment group consi...
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