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Author Question: A coin is tossed 1000 times and 540 heads appear. At = 0.05, test the claim that this is not a biased coin. (Read 77 times) |
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
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Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.
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In 1864, the first barbiturate (barbituric acid) was synthesized.