E(X) = H = Sum x p(x) = >x p(x) %3D 2. You are considering purchasing some land in Whalley for $2,900,000 with the intention of selling the land in 4 years. The value of the land will depend on what happens to the Pattullo Bridge that currently has four narrow lanes. The bridge could be left the same, remain as a four-lane highway with improved passing lanes or be replaced and rebuilt as an eight-lane highway. The probabilities and selling prices are given in the table below: Bridge Probability Selling price in 4 years No change 60% $2,400,000 Fmproved 4-lane 25% $3,500,000 New 8-lane 15% $5,000,000 (a) Calculate your expected PROFIT from the sale of the land. Should you buy the land? Buy? Expected Profit (b) What is the probability that you will make a profit on the sale of the land?
Minimization
In mathematics, traditional optimization problems are typically expressed in terms of minimization. When we talk about minimizing or maximizing a function, we refer to the maximum and minimum possible values of that function. This can be expressed in terms of global or local range. The definition of minimization in the thesaurus is the process of reducing something to a small amount, value, or position. Minimization (noun) is an instance of belittling or disparagement.
Maxima and Minima
The extreme points of a function are the maximum and the minimum points of the function. A maximum is attained when the function takes the maximum value and a minimum is attained when the function takes the minimum value.
Derivatives
A derivative means a change. Geometrically it can be represented as a line with some steepness. Imagine climbing a mountain which is very steep and 500 meters high. Is it easier to climb? Definitely not! Suppose walking on the road for 500 meters. Which one would be easier? Walking on the road would be much easier than climbing a mountain.
Concavity
In calculus, concavity is a descriptor of mathematics that tells about the shape of the graph. It is the parameter that helps to estimate the maximum and minimum value of any of the functions and the concave nature using the graphical method. We use the first derivative test and second derivative test to understand the concave behavior of the function.
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