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August 3, 2015

Homework Help: statistics

Posted by Anonymous on Monday, November 19, 2012 at 3:29am.

2. The Occupational Safety and Health Administration (OSHA) estimates that roughly 30% of all worker compensation claims stem from back injuries. This statement was made many years ago and you want to know if this has changed in recent years. Suppose you take a random sample of 200 claims and find that 45 of them relate to back injuries.

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