- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: Classify the following as discrete or continuous random variables: A pair of dice is rolled, and the ... (Read 68 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.
In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.