Below is the probability distribution for the number of times students had to take the same exam before passing it.What is the value at the second standard deviation above the mean for this probability distribution? 
Definitions:
Dollar Votes
The “votes” that consumers cast for the production of preferred products when they purchase those products rather than the alternatives that were also available.
Product Market
A marketplace where final goods or services are bought and sold by consumers, businesses, and the government.
Laissez-Faire Capitalism
A hypothetical economic system in which the government’s economic role is limited to protecting private property and establishing a legal environment appropriate to the operation of markets in which only mutually agreeable transactions take place between buyers and sellers; sometimes referred to as “pure capitalism.”
Specialization
The use of the resources of an individual, a firm, a region, or a nation to concentrate production on one or a small number of goods and services.
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