Let X be the prive of a meal at a local diner( X = $8,$10,and $12) a.pdf

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Let X be the prive of a meal at a local diner( X = $8,$10,and $12) and let Y be the amount of tip left per meal (Y = $1.50,$2 or $2.50). the joint probability function of X and Y is given by a. Find f(X = 10, Y=2) and interpret what this value represents. c. Find the marginal distributions of X and Y. d. Determine if X and Y are independent Random Variables or not. Explain why or why not.f(x,y)Y=1.50Y=2.00Y=2.50X=8.3.120X=10.15.135.025X=12.03.15.09 Solution.

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ecourses.pvamu.edu Help English United States en us) Question4 Match the concept, term, or theory with its correct response or definition. Not yet answered A. attachment anxiety B, attachment avoidance Points out of 100 c. autonomy F Rag question D. collectivistic culture E. culture dismissive attachment G. embarrassment I fearful attachment J. gender K individualistic culture L looking-glass self M. mask o preoccupied attachment P secure attachment T self- disclosure U. self-discrepancy theory x social comparison Y social penetration theory Reference Ret 21 Feelings of shame, humiliation, and sadness. Solution theory of attachment Attachment anxiety Attachment avoidance Dissimmisve attachment Fearful attachment Preoccupied attachment Social penetration theory age, gender, self-awareness self esteem Self discrepancy theory self-esteem Self-Fulfilling Prophecy Self self self-awareness, self-concept, and self-esteem dismissive attachment low AAX and high AAV; self-relianc fearful attachment high AAV and AAX; fear rejection, shun relationships individualistic culture individual goals collectivism culture importance of belong to groups face public self mask public self designed to veil private self embarrassment losing face; social penetration theory revealing self to others theory of attachment Attachment anxiety Attachment avoidance Dissimmisve attachment Fearful attachment Preoccupied attachment Social penetration theory age, gender, self-awareness self esteem Self discrepancy theory self-esteem Self-Fulfilling Prophecy Self self self-awareness, self-concept, and self-esteem dismissive attachment low AAX and high AAV; self-relianc fearful attachment high AAV and AAX; fear rejection, shun relationships individualistic culture individual goals collectivism culture importance of belong to groups face public self mask public self designed to veil private self embarrassment losing face; social penetration theory revealing self to others.

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Explain why several versions of nMOS transistor models and pMOS transistor models coexist despite the fact that some models are accurate than others. Solution Some models are more accurate especially for short channel devices but they have a lot of model parameters and thus very complicated.Some models are less accurate and much simpler.Therefore there is a need for different purposes thus different models coexist.

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Explain How Culture influences the way mangers perform their four main functions: planning , organizing, leading and controlling. Solution culture is the the set of aged- old traditions and beliefs shared by the people in an organisation or in a nation. culture plays an important role while when people are at managers level. every decision or step takes by the person reflects his culture directly or indirectly. some people thinks in a pesimistic way and take poor decisions, some may think in a positive way and some may think in the realistic way and take correct decisions. these people will be plan in a successful way and implement them and get positive results. organising is the process of implementing the plan in a proper way by coordination, integration and cooperation of all his peers and emloyees. leading is the process where he becomes the guide to his followers and accept challanges in work life and ready to face them and find solutions. controlling speaks about the managing all the resources and best utilisation of those. the ultimate moto of any organisation is use the available resources in a best way and increase the brand name and wealth of organisation..

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Describe the factors that contribute to a membrane potential. What is the principle cation inside the cell? Outside the cell? Solution Answer: Application of stimuli changes the membrane potential that act as signals, transmitting and processing information along the neuron. The factors that contribute to membrane potential are: (a) Electrochemical gradient of the ion: Active transport of ions causes an electrical gradient to develop across the membrane. The positively charged ions are generally greater outside the cell and negatively charged ions inside the cell. This causes a net negative charge on the inside of the cell and thus a voltage difference across the membrane. This gives rise to the membrane potential. (b) Permeability of the ion: More the membrane is permeable to the ion, greater will be the influence of the equilibrium potential of that ion towards the membrane potential. The principle cation inside the cell is potassium (K+) and outside the cell is sodium (Na+)..

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Define and explain chemical equilibrium? Include the defenition of reactants and products Define and explain chemical equilibrium? Include the defenition of reactants and products Solution In a chemical reaction, chemical equilibrium is the state in which both reactants and products are available at concentrations which have no further inclination to change with time. Usually, this state comes about when the forward reaction continues at an indistinguishable rate from the reverse reaction. The reaction rates of the forward and backward reactions are, for the most part, not zero, but rather equal. In this way, there are no net changes in the concentrations of the reactant(s) and product(s). Reactant: The substances that outcome from the recombination of molecules is known as the products of the reaction. At the point when chemical reactions are written down, the reactants are written on the left side, in a similar way to a math equation; one reactant in addition to another. Product: Products are the species formed from chemical reactions. Amid a chemical reaction, reactants are transformed into products in the wake of going through a high vitality transition state. Simply the substances that are formed after the reactions of reactant, due to making of new bonds in between the atoms/ions/molecules/compounds..

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Cite the distinction between graphite and carbon. Carbon and graphite fibers are manufactured by pyrolysis. Describe the process to produce fibers. Solution Carbon: 1)“Carbon” comes from the Latin word “carbo,” which in English means “charcoal.” It is an element represented as the letter “C” and bearing the atomic number 6. Carbon is the fourth most abundant element in the world and is essential to all living things and their respective processes. All living things contain carbon. 2)Carbon produces the softest material (graphite) and the hardest substance (diamond). The main difference among carbon substances is how the carbon forms in each matter. Carbon atoms bond in chains and rings. In every carbon substance, a unique formation of carbon can be produced. 3)Carbon has a wide variety of uses both as pure carbon and carbon compounds. Primarily, it acts as hydrocarbons in the form of methane gas and crude oil. Crude oil can be distilled into gasoline and kerosene. Both substances serve as fuel for warmth, machines, and many others. 4)Carbon is also responsible for forming water, a necessary compound for life. It also exists as polymers such as cellulose (in plants) and plastics. 5)Carbon has a wide variety of uses both as pure carbon and carbon compounds. Primarily, it acts as hydrocarbons in the form of methane gas and crude oil. Crude oil can be distilled into gasoline and kerosene. Both substances serve as fuel for warmth, machines, and many others. 6)Carbon is also responsible for forming water, a necessary compound for life. It also exists as polymers such as cellulose (in plants) and plastics. Graphite : 1)Graphite is an allotrope of carbon. It means that it is a substance made of pure carbon and is made of only carbon. Other allotropes include diamonds, amorphous carbon, and charcoal. 2)Graphite comes from the Greek word “graphein,” which in English means “to write.” Formed when carbon atoms link with each other into sheets, graphite is the most stable form of carbon. 3)Graphite is soft but very strong. It is resistant to heat and, at the same, a good conductor of heat. Found in metamorphic rocks, it appears as a metallic but opaque substance in a color that varies from dark grey to black. Graphite is greasy, a characteristic that makes it a good lubricant. 4)Graphite is also used as a pigment and a molding agent in glass manufacturing. Nuclear reactors also use graphite as an electron moderator b) process of manufacturing of Carbon and graphite fibers: A precursor material, which is rich in carbon, is subjected to pyrolysis to extract its carbon content. Pyrolysis Pyrolysis: Thermochemical chemical decomposition decomposition of organic organic material material when it is subjected subjected to elevated temperatures, but no oxygen. Through such a process, the precursor organic material breaks down into gases, liquids, and a solid residue which is rich in carbon. Precursor: Precursor: It is a carbonrich chemical chemical compound, com.

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