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Author Question: A survey of 400 non-fatal accidents showed that 173 involved faulty equipment. Find a point estimate ... (Read 129 times) |
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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.