probability distribution of discrete random variables 3.The Metro Manila Development Authority (MMDA) is investigating the number ofreported road accidents over a period of one month. Based on the record, they gatheredthe following distribution for x; where x is the number of reported accidents per month.AccidentsP(x)x· P(x)(x – 4)² · P(x)Reported0.0510.4020.2530.2040.10TotalMean =Variance =%3DStandard Deviation =

Formula : Mean = Σx*P(x) Variance = Σ(x-u)2P(x)

Answered: The Metro Manila Development Authority…

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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CONTINUOUS PROBABILITY
Fruit Fly Lifetimes Suppose that the probability function in the table below reflects the possible lifetimes (in months after emergence) for fruit flies. Let the random variable X measure fruit fly lifetimes (in months). Fruit fly lifetimes (in months) 1 2 3 4 5 6 p(x) | 0.30 ? 0.20 0.1o 0.10 0.05 (a) What proportion of fruit flies die in their second month? Enter the exact answer. P(X = 2) = i eTextbook and Media (b) What is the probability that a fruit fly lives more than four months? Enter the exact answer. P(more than four months) = eTextbook and Media (c) What is the mean lifetime for a fruit fly? Enter the exact answer. i months eTextbook and Media (d) What is the standard deviation of fruit fly lifetimes? Round your answer to two decimal places, O = i months eTextbook and Media
Question Let X and Y be two discrete random variables with a joint probability distribution given by X-0 X-2 Y-1 0.03 Y 3 0.15 Y-50.2 X-4 0.1 0.1 0.02 0.2 0.15 0.05 Then P(X 20 and Y < 3) = None of these O 0.15 O 0.42 O 0.7
The Student's t distribution table gives critical values for the Student's t distribution. Use an appropriate d.f. as the row header. For a right-tailed test, the column header is the value of α found in the one-tail area row. For a left-tailed test, the column header is the value of α found in the one-tail area row, but you must change the sign of the critical value t to −t. For a two-tailed test, the column header is the value of α from the two-tail area row. The critical values are the ±t values shown. A random sample of 46 adult coyotes in a region of northern Minnesota showed the average age to be x = 2.11 years, with sample standard deviation s = 0.77 years. However, it is thought that the overall population mean age of coyotes is μ = 1.75. Do the sample data indicate that coyotes in this region of northern Minnesota tend to live longer than the average of 1.75 years? Use α = 0.01. Solve the problem using the critical region method of testing (i.e., traditional method). (Round…
5 A is the test a right tail left tail or two tail
I need help with this please parts a and b
View Policies Current Attempt in Progress State whether the process described is a discrete random variable, is a continuous random variable, or is not a random variable. Draw 11 cards from a deck and count the number of spades. O Discrete random variable Not a random variable O Continuous random variable Save for Later Last saved 1 second ago. Saved work will be auto-submitted on the due date. Auto- submission can take up to 10 minutes. Attempts: 0 of 1 used Submit Answer
Question Let X be a random variable with probability distribution as shown below: (x)/ 0, elsewher 7x) = 3r' ot>*> %3D %3D Then the value of E(g(X)) is: O115/3 None of the other options 59/3 O50/3 Question
Random Variable Let’s have X a random variable of which the distribution of probability is binomial B(5, p). Knowing that V(X) (variance) = 5/4: calculate p Calculate P(X≥ 2)
Size of sample space An eight-sided dice is rolled and a five-sided dice is rolled. Considering this as a probability experiment, what is the size of the sample space?
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RANDOM VARIABLES AND PROBABILITY DISTRIBUTIONS/ JOINT PROBABILITY DISTRIBUTION

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