Statistics is a subject with a number of probability distributions and formulas. Historically many of the calculations involving these formulas were quite tedious. Tables of values were generated for some of the more commonly used distributions and most textbooks still print excerpts of these tables in appendices.
You Start Studying Too Late. Whether or not you want to hear it, it takes months to prepare adequately and score really well on a test like the ACT, SAT, GRE and other standardized, high-stakes test. Why? They do not simply test your content knowledge, which could theoretically be crammed into your head a week before the test.
Despite their forbidding appearance, hydrothermal vents support a community of marine creatures. Here you can learn the definition of hydrothermal vents, what they're like as a habitat and what marine creatures live there. How Hydrothermal Vents Form Hydrothermal vents are essentially underwater geysers created by tectonic plates.
Known for her civil rights activism, Fannie Lou Hamer was called "the spirit of the civil rights movement." Born a sharecropper, she worked from the age of six as a timekeeper on a cotton plantation. Later, she became involved in the Black Freedom Struggle and eventually moved on to become a field secretary for the Student Nonviolent Coordinating Committee (SNCC).
It's beach weather! The ocean is full of fun, but it's also full of wildlife, including jellyfish. Do you know what to do if you or someone with you sees a jellyfish or is stung by one? You should know the answer to these questions before you go to the beach since an encounter with a jellyfish can be a painful or possibly lethal experience.
The Toltec civilization dominated Central Mexico from its capital city of Tula from about 900 to 1150 A.D…The Toltecs were a warrior culture, who dominated their neighbors militarily and demanded tribute. Their gods included Quetzalcoatl, Tezcatlipoca, and Tlaloc. Toltec artisans were skilled builders, potters, and stonemasons and they left behind an impressive artistic legacy.