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A study investigated whether regular mammograms resulted in fewer deaths from breast cancer over a period...

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A study investigated whether regular mammograms resulted infewer deaths from breast cancer over a period of 16 years. Among30,636 women who never had​ mammograms, 196 died of breast​ cancer,while only166 of 30,223 who had undergone screening died of breastcancer.

​a) Do these results suggest that mammograms may be an effectivescreening tool to reduce breast cancer​ deaths?

​b) If your conclusion is​ incorrect, which type of error didyou​ commit?

Answer & Explanation Solved by verified expert
3.6 Ratings (335 Votes)
Let denote the proportion of people died of breast cancer among womenwho never    See Answer
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