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What formula is used to gain information about a sample mean when the variable is normally distributed or when the sample size is 30 or more? => z = X - μ σ or z = X ‾ - μ σ n or z = X ‾ - μ σ n or z = X - μ σ..

Draw the parabola using the given information and find its equation in vertex form. Vertex (0, 0) ; point (4, - 28) => Graph 1; y = ( 7 4 ) x 2 or Graph 2; y = - ( 7 4 ) x 2 or Graph 2; y = - ( 4 7 ) x 2 or Graph 1; y = ( 4 7 ) x 2..

Draw the parabola using the given information and find its equation in vertex form. Vertex (- 2, 5) ; point (2, - 19) => Graph 2; y = ( 3 2 )( x + 2) 2 + 5 or Graph 1; y = - ( 3 2 )( x - 2) 2 + 5 or Graph 2; y = ( 3 2 )( x - 2) 2 + 5 or Graph 1; y = - ( 3 2 )( x + 2) 2 + 5..

A chemical equation gives information regarding the following: a) Molecular proportion of the reactants and the products. b) The relative mass of the reactants and the products. c) The relative volumes of gaseous substances - which may be reactants or products. The above can be illust..

Draw the parabola using the given information and find its equation in vertex form. Vertex (7, - 4) ; x -intercept of 3 . => Graph 2; y = ( 1 4 )( x + 7) 2 - 4 or Graph 1; y = - ( 1 4 )( x - 7) 2 - 4 or Graph 2; y = ( 1 4 )( x - 7) 2 + 4 or Graph 1; y = ( 1 4 )( x - 7) 2 - 4..

Using the information given, express the equation in vertex form and sketch the graph. y = - 4 x 2 - 5 x + 3 => y = - 4[ x + ( 5 8 )] 2 + ( 7 3 1 6 ); Graph 4 or y = 4[ x + ( 5 8 )] 2 - ( 7 3 1 6 ); Graph 2 or y = - 4[ x + ( 5 8 )] 2 + ( 7 3 1 6 ); Graph 1 or y = 4[ x - ( 5 8 ) ..

LPG cylinder valve and the knob of the stove must be closed properly when not in use. Open flames, electric/kerosene stoves must not be used near an LPG cylinder. Rubber pipe connecting the cylinder and the stove must be regularly checked for any wear and tear. When a leak..

Graphical representation is more informative than tables as it gives a visual representation of two quantities (e.g., speed vs. time) ..

A manual of Medical Information reports that the average weight of a new born baby is 7 pounds. As per the data collected from 15 maternity hospitals, the average weight of a newborn was 7.1 pounds and the standard deviation, 0.2 pounds. Use the P-value method, at α = 0.05..

Stephanie scored 30 on math, 20 on science, and 40 on french. She plotted a bar graph to compare her scores and she used the number scale '0, 10, 20, 30, 40' for the graph. Is her number scale correct? Explain. => not enough information is given or yes, because, the scale starts..