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A study commissioned by the power company shows that of 9,848 persons residing within 500 yards...

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Basic Math

A study commissioned by the power company shows that of 9,848persons residing within 500 yards of high voltage lines, 600 havedeveloped one of the cancers in question. Of 13,112 living morethan 500 yards from such lines, 550 contracted one of the cancers.a. Calculate the point estimate of odds ratio b. Calculated 95%confidence interval of the odds ratio. Does the odds ratiosignificantly different from 1?

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Solution From given information we have following table Within 500 yards of high voltage lines Cancer Yes No Total Yes 600 550 1150 No 9248 12562    See Answer
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