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Probability Vocab
| Term | Definition |
|---|---|
| absolute value | the distance a number is from zero on a number line |
| additive inverse | two opposite integers if you add them together you will get 0 |
| bar notation | in repeating decimals the line or bar placed over the digits that repeat |
| circle graph | a graph used to compare parts of a whole; the circle represents the whole |
| coefficient | the numerical factor of a term that contains a veriable |
| composite figure | a figure that is made up of two or more three-dimensional figures |
| compound event | an event consisting of two or more simple events |
| cone | a three-dimensional figure with one circular base a curved surface connects the base and the vertex |
| coordinate plane | a plane in which a horizontal number line and a vertical number line intersect at their zero points |
| dependent events | two or more events in which the outcome of one event affects the outcome of the other event(s) |
| direct variation | the relationship between two variable quantities that have a constant ratio |
| discount | the percentage by which the regular price of an item is reduced |
| equation | a mathematical sentence that contains an equal sign stating that two quantities are equal |
| equivalent equations | two or more equations with the same solution |
| experimental probability | an estimated peobability based on the relative frequency of positive outcomes occurring during an experiment it is based on what actually occurred during such an experiment |
| exponent | in a power the number that tells how many times the base is used as a factor |
| factors | two or more numbers that are multiplied together to form a product |
| fair game | a game where each player has an equally likely chance of winning |
| function | a relationship that assigns exactly one out put value |
| gram | a unit of mass in the metric system equivalent to .001 kilograms the amount of matter an object can hold |
| histogram | a type of bar graph used to display numerical data that have been organized into epual intervals |
| independent events | two or more events in which the outcome of one event does not affect the outcome of the other event(s) |
| integer | any number from the set {...,-4,-3,-2,-1,0,1,2,3,4...} where ... means continue without ends |
| inverse variation | a relationship where the product of x and y is a constant k as x increases in value y decreases in value or as x increases in value or as x decreases in value y increases in value |
| line of reflection | the line over which a figure is reflected |
| line of symmetry | a line that divides a figure into two halved that are reflections of each other |
| liter | the base unit of capacity in the metric system the amount of dry of liquid material an object can hold |
| metric system | a decimal system of measures |
| nonproportional | the relationship between ratios with a rate or ratio that is not constant |
| ordered pair | a pair of numbers used to locate a point in the coordinate system; writen (x-cordinate, y cordinate) |
| outcome | any one of the possible results of an action. |
| percent of change | a ratio that compares the change in a quantity of the original amount |
| percent of decrease | a negative percent of change |
| percent of increase | a positive percent of change |
| principal | the amount of money deposited or borrowed |
| prsim | a 3-d figure with at least three rectangular lateral faces and top and bottom faces parallel |
| proportional | the relationship between two ratios with a constant rate or ratio |
| pyrmid | a 3-D figure with at least three lateral faces that are triangles and only one base |
| quadrant | one of the 4 regions into which the two perpendicular number lines of the coordinate plane separate the plane |
| rational number | a number that can be expressed as a fraction |
| reflection | the mirror image produced by flipping a figure over the line |
| sales tax | a percentage of money charged on items that people buy |
| sample | a randomly selected group chosen for the purpose of collecting data |
| scale drawing | a drawing that is used to represent objects that are too large or too small to be drawn to actual size |
| similar figures | figures that have the same shape but not necessarily the same size |
| simple interest | the percentage paid or earned for the use of money |
| stem and leaf plot | a system where data are organized from least to greatest. |
| surface area | the sum of the areas of all the surfaces of a 3-D figure |
| theoretical probability | the ratio of the number of ways an event can occur to the number of possible outcomes |
| volume | the number of cubic units needed to fill the space by a solid. |
| simple event | one outcome or a collection or a collection of events |
| random | if each event is as likely to occur as any other event |
| complementary events | two events in which either one or the other must occur |
| uniform probability modle | each outcome has a equal probability of happening |
| tree diagram | can be used to represent sample space |
| sample space | the set of all of the possible outcomes in a probability experiment |
| simulation | an experiment that is designed to model the action in a given sutuation |
| fundamental counting principal | the number of possible outcomes in a sample space |
| permutation | a listing of arrangement or listing of objects in which order is important |
| relative frequency | the ratio of the number of experimental successes to the number of experimental attempts |
| unfair | not a chance! |
Created by:
landj1352
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