Give a 95 confidence interval for the differences in the

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In 2006, Merck released a vaccine named Gardasil for HPV - the most common cause of cervical cancer among young women. The company conducted four placebo controlled double blind clinical studies of women aged 16 to 26. The results were -

Treatment n Cervical cancer cases n Genital wart cases
Gardasil 8487 0 7897 1
Placebo 8460 32 7899 91

(a): Give a 95% confidence interval for the differences in the proportion of young women who develop cervical cancer with and without the vaccine.

Lower confidence level:_____________

Upper confidence level:_____________

(b): Give a 95% confidence interval for the differences in the proportion of young women who develop genital warts with and without the vaccine.

Lower confidence level:_____________

Upper confidence level:_____________

Note: your answers should have at least three significant figures.

Reference no: EM13626257

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