The below three graphs show probability density functions (PDF) of three different random variables Red, Green and Blue. Let P1 be the unknown price of a stock in one year. P1 is a random variable. Let PO=1, so the share price now is $1. This one dollar is a constant, it is not a variable.frequencyRed0.50.40.3BlueGreen/0.20.1variable-2-112Whichthe belowmentsNOT correctO a. Blue is a stock's future price (P1), with a minimum value of zero.O b. Green is the log gross discrete return (LGDR).О с.Green is normally distributed with the same mean and median.O d. Red is log-normally distributed, and the mean is higher than the median.O e. Red is a stock's gross discrete return (GDR), with a minimum value of negative one.

The below graphs show the probability density function to 3 different random variables Red Green and…

Answered: The below three graphs show probability…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Complete the values of P (X = x) to give a legitimate probability distribution for the discrete random variable, whose possible values are -1, 2, 4, 5, and 6.
g is the probability distribution of a random variable that represents the number of extracurricular activities a college freshman participates in. x 0 1 2 3 4 Px 0.06 0.13 0.45 0.23 0.13 Find the probability that a student participates in more than two activities.
Please calculate the covariance and the correlation coefficient for the two random variables and briefly comment on the resulting correlation between the variables.
Three fair dice are rolled. Let the random variable X be the number of die that are showing a roll of 1. Complete the probability distribution table. X P(X=X 0 1 2 3 Find the mean of this probability distribution E(X)=
Which of the following are examples of continuous random variables? Select all that apply. The percent change in the price of a share of IBM stock in a month The number of claims on a medical insurance policy on a given year The speed of a randomly selected car on a highway The number of customers that enter a particular store on a randomly selected day The time that elapses between two customer service calls
Subject; algebra
Benford's law, also known as the first-digit law, represents a probability distribution of the leading significant digits of numerical values in a data set. A leading significant digit is the first occurring non-zero integer in a number. For example, the leading significant digit in the number 127 is 1. Let this leading significant digit be denoted x. Benford's law notes that the frequencies of x in many datasets are approximated by the probability distribution shown in the table. 1 3 4 5 7 8 9. P(x) 0.301 | 0.176 | 0.125 | 0.097 0.079 | 0.067 0.058 0.051 | 0.046 Determine E(X), the expected value of the leading significant digit of a randomly selected data value in a dataset that behaves according to Benford's law? Please give your answer to the nearest three decimal places.
Which of the following is an example of a discrete random variable? The amount of time it takes for a worker to complete a complex task. The monthly electric bill for a local business. The number of people eating at a local cafeteria between noon and 2:00 p.m.
A technician services mailing machines at companies in the Phoenix area. Depending on the type of malfunction, the service call can take 1.2, 2.4, 3.6, or 4.8 hours. The different types of malfunctions occur at the same frequency. If required, round your answers to two decimal places. a. Develop a probability distribution for the duration of a service call. Duration of Call f(x) X 1.2 2.4 3.6 0.25 0.25 0.25
The table gives the joint probability distribution of the number of sports an individual plays (X) and the number of times she may get injured while playing (Y) X=1 X=2 X=3 0.12 0.08 0.15 0.06 0.05 0.05 0.10 0.03 0.15 0.15 0.04 0.02 Y=4 Y=3 Y=2 Y=1 The covariance between X and Y, oxy, is (Round your answer to two decimal places Enter a minus sign if your answer is negative) The correlation between X and Y, corr(X, Y), is (Round your answer to two decimal places Enter a minus sign if your answer is negative.) An increase in the number of sports an individual plays will tend to * the number of times she may got injured while playing
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Let X be a random variable and Y = aX + b with a ̸= 0. Show that the correlation between X and Y is either +1 or −1. State the conditions which make the correlation equal to +1.

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