a large clinical trial, 390,349 children were randomly assigned to two groups. The treatment group consisted of 194,624 children given a vaccine for a certain sease, and 28 of those children developed the disease. The other 195,725 children were given a placebo, and 101 of those children developed the disease. A Consider the vaccine treatment group to be the first sample. Identify the values of n₁, P₁, 9₁, n2. P₂, 92, P. and q. n₁ (...

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