Question

In a large clinical​ trial,

392,443

children were randomly assigned to two groups. The treatment group consisted of

196,496

children given a vaccine for a certain​ disease, and

27

of those children developed the disease. The other

195,947

children were given a​ placebo, and

84

of those children developed the disease. Consider the vaccine treatment group to be the first sample. Identify the values of

n1​,

p1​,

q1​,

n2​,

p2​,

q2​,

p​,

and

q.