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Consider the following cell:



Ag | Ag+ (0.01M)||Ag+ (1M)|Ag



calculate the EMF of the cell at 298 K

Determine the ratio of the electric force tonthe gravitational force between an electron and a proton when separated by a distance r.

If you deposit $6500 into an account paying 8% annual interest compounded monthly, how much money will be in account after 7 years?


A meeting of consuls was attended by 4 Americans and 2 Germans. If three consuls were selected at random, construct the probability distribution of the random variable G representing the number of Germans

firms that issue cards?




In a National Achievement Test, suppose three test booklets are tested at random. Let D represent the defective test booklet and let N represent the non-defective test booklet. Let X be the random variable representing the number of non-defective test booklets


Illustrate the probability distribution if X is the random variable that represent the number of recoveries

. 1. Let D = {3, 9, 15}, E = {3, 15, 9}, F = {3, 3, 9, 15, 15, 15}. What are the elements of D, E, and F? How are D, E,         

   and F related? 

   2. How many elements are in the set {1, {2}, [1, 2}}?

  3. For each positive integer p, let Bp = {p2, p3,]. Find B1, B2, and B3.


The demand for schedule for beer is Xd=25-P, where Xd is the quantity demanded of beer in millions of barrels per year and P is price in dollars per barrel.




If the supply curve for beer is Xs = -20 +4P, what is the equilibrium price of a barrel of beer?




Calculate and interpret price elasticity of demand and supply at the equilibrium point.




What would the effect on the price of a barrel of beer if a tax of $ 4 per barrel is imposed by the government?

give me the answer of variance and standard deviation of P(3)=7/30 P(5)=1/3 and P(7)=13/30 by following the steps


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