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Author Question: Given that Z is a standard normal random variable, P(-1.2 Z 1.5 ) is: A) 0.8181 B) 0.4772 C) ... (Read 24 times) |
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In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.