MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Concept explainers

Compound Probability
Compound probability can be defined as the probability of the two events which are independent. It can be defined as the multiplication of the probability of two events that are not dependent.
Tree diagram
Probability theory is a branch of mathematics that deals with the subject of probability. Although there are many different concepts of probability, probability theory expresses the definition mathematically through a series of axioms. Usually, these axi…
Conditional Probability
By definition, the term probability is expressed as a part of mathematics where the chance of an event that may either occur or not is evaluated and expressed in numerical terms. The range of the value within which probability can be expressed is between…
Question

portfolio P consists of two stocks: 50 % in invested in stock A and 50% is invested in Stock B. stock A has a standard deviation of 25% and beta of 1.2, and stock B has a standard deviation of 35% and a beta of 0.80. The correlation between thses stocks is 0.4.

what is the standard deviation of Portfolio P?

what is the beta of Portfolio P?

which stock is riskier to a diversified investor?

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