7 In a large clinical trial, 391,351 children were randomly assigned to two grou

Question

7 In a large clinical trial, 391,351 children were randomly assigned to two groups. The treatment group consisted of 194.560 children given a vaccine for a certain disease, and 30 of those children developed the disease. The other 196,791 children were given a placebo, and 110 of those children developed the disease. Consider the vaccine treatment group to be the first sample. Identify the values of n Pt. n2.P2 and i 10 11 n,- 13 4(Type an integer or a decimal rounded to eight decimal places as neoded ) 15 16 17 18 n2 19 (Type an integer or a decimal rounded to eight decimal places as needed.) 21 (Type an nteger or a decimal rounded to eight decimal places as needed ) 24 (Type an integer or a decimal rounded to eight decimal places as needed.) 26 (Type an rteger or a decimal rounded to eight decimal places as needed ) 27 28 29 (Type an integer or a decimal rounded to eight decimal places as needed) 30 31 32 Enter your answer in each of the answer boxes 35 36 ostate.ed

Explanation / Answer

Ans:

n1=194560

p1=30/194560

q1=1-p1

n2=196791

p2=110/196791

q2=1-p2

p=(30+110)/391351

q=1-p

n1 p1 q1 194560 0.00015419 0.99984581 n2 p2 q2 196791 0.00055897 0.99944103 n1+n2 p q 391351 0.00035774 0.99964226

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