The following figure is a probability density curve that represents the grade point averages (GPA) of the graduating seniors at a large university.Area 0.69Area -0.223.53.84.14.44.7Part 1 of 2Find the proportion of seniors whose GPA is between 4.1 and 4.4.The proportion of seniors whose GPA is between 4.1 and 4.4 is Part 2 of 2What Is the probability that a randomly chosen senior will have a GPA greater than 4,4?The probability that a randomly chosen senior will have a GPA greater than 4.4 is

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Answered: The following figure is a 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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The below three graphs show probability density functions (PDF) of three different random varlables Red, Green and Blue. Let P1 be the unknown price ofaac one year, P1 is a random varlable. Let PO-1, so the share price now is $1. This one dollar is a constant, It is not a variable. frequency 2,6 Red/ 0.9 0.4 0.3 Blue Green, 0.2 0.1 -2 variable 3 Which of the below statements is NOT correct? Oa Blue is a stock's future price (P1), with a minimum value of zero. O b. Red is a stock's net discrete return (NDR), with a minimum value of negative one. Oc. Blue is a stock's log gross discrete return (LGDR), with a minimum value of zero. O d. Green is normally distributed with the same mean and median. O e. Red is log-normally distributed, and the mean is higher than the median. 2.
A Normal distribution A.All of these are correct. B.can be completely specified by a mean and a standard deviation. C.has an area of exactly 1 underneath the density curve. D.is symmetric.
Measurements for the length and width of rectangular plastic covers for CDs are rounded to the nearest mm. Let X denote the length and Y denote the width. Assume that the joint probability of X and Y is represented by the following table: x = length, y = width 129 130 131 15 0.12 0.42 0.06 16 0.08 0.28 0.04 What is the probability distribution of X?
Use your pdf graph to find the cdf and graph it. Briefly explain your methods. Hint: you might calculate the cdf for yearly intervals.
The company offers free buffet lunch for candidates attending the interview. As a HR analyst, Luke is asked to estimate the amount of salad to order for the interview day. Sampling suggests that the amount of salad taken by each candidate (measured in grams) distributes as the below diagram. What is the distribution as described in the below chart and probability density function of the distribution in the chart? What is the mean and standard deviation of this distribution, respectively? What is the probability of a candidate taking salad between 13 – 16 grams?
New York City is the most expensive city in the United States for lodging. The mean hotel room rate is $204 per night (USA Today, April 30, 2012). Assume that room rates are normally distributed with a standard deviation of $55.a. Draw on a piece of paper the Normal Distribution curve and mark theMean and 1 unit standard deviation to each side of the Mean.2b. Show the Probability Density Function to your tutor and point it on yourgraph
Use the three distributions labeled i,ii,iii to answer the following questions (shown in picture upload)
In a probability density function such as a Normal or bell-shaped curve, the area under the curve is used to make predictions about likelihoods and probabilities. What is the area (use a proportion) under the curve from the lowest possible value to the highest possible value?
Define the following statistical expressions Distribution – Parameter – statistical
The figure above shows the probability density function for the random variable x. What is P(3≤x<7)?
Find the Z scores for which 90% of the distributions area lies between -z and z 1) -1.96 ,1.96 2) -0.99 ,0.99 3) -1.645, 1.645 4) -2.33, 2.33 select the correct answer
7

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