Find the expected value
Let the random variable X of the discrete type have the pdf given by the table
X 1 | 2 | 3 | 4
p(x) .4 | .1 | .3 | .2
A) Find the expected value of 2x^2 + 5x + 2 and the variance of 3X
B) Find the expected value of 2^x and variance of 3X^2
Expected delivery within 24 Hours
What is the velocity of the first log just before the lumberjack jumps off? (Indicate the direction of the velocity by the sign of your answers.)
You can assume that the engines of the F/A-18 supply 65% of the take-off power. What is the minimum required steam-catapult piston volume to supply the other part of the necessary energy?
Consider the following complex, which has Co(III) in an octahedralgeometry: [Co(en)(dien)Cl]2+ given: en = ethylenediammine = H2NCH2CH2NH2, which can beabbreviated N-N dien = diethylenediammine = H2NCH2CH2NHCH2CH2NH2, which can beabbreviated N-N-N
A wire with a length of 3.6m and mass of 0.75kg is in a region of space with a magnetic field of 0.84T. What is the minimum current needed to leviate the wire?
Determine the rise in the water temperature after 1 minute of operation, assuming the initial temperature of the water is 20 C and the pressure is 1 bar. answer = 5 degrees C.
What recoil velocity does she acquire in response to a single shot from a stationary position, assuming that no external force keeps her in place?
The perimeter, area, and volume of a tetrahedron (the solid whosefaces are 4 equilateral triangles) are respectively: P=6a, A=3 1/2 a2, and V=2 1/2 a3 /12.
Determine the change in specific internal energy that occurs during the process using (a) the compressed liquid table for the second state and (b) the incompressible substance approximation.
1956266
Questions Asked
3,689
Active Tutors
1413016
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Why is it important to consider diverse perspectives in the interpretation of history? How can society positively integrate aspects of history
Write about Ukraine or Syria. Understanding and applying the key concepts- location, place, link, and region- to geographical issues
How did different immigrant groups navigate maintaining their identities while integrating into American society? Additionally, considering Ellis Island's role
Essay Assignment: American Rebellion against the British Government Objective: Write a well-structured academic essay that explores the grounds
Provide a title that contains a clear description of the topic, participants, and type of study. The title should be in bold and capture the essence of study
Which of the following questions might do that and could make the client feel uncomfortable?
A substance use and addiction counselor is a trained mental health professional who assesses, treats, and supports people experiencing substance use disorders