Question
In a large clinical trail, 394,187 children were randomly assigned to tow groups. The treatment group...
In a large clinical trail, 394,187 children were randomly assigned to tow groups. The treatment group consisted of 198,476 children given a vaccine for a certain disease and 40 of those children developed the disease. The other 195,711 children were given a placebo and 129 of those children developed the disease.
1. n1 =
2. p1 =
3. q 1 =
4. n2 =
5. p2
6. q2
7 p =
8 q =
Homework Answers
Answer #1
n1 = 198,476
= 40/198,476 = 0.000202
= 1 -
= 1 - 0.000202= 0.999798
n2 = 195,711
= 129 / 195,711 = 0.000659
= 1 -
= 1 - 0.00053736 = 0.999341
= (40+ 129)/394,187 = 0.000429
= 1 -
= 1 - 0.000429= 0.999571
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