how do I source for academic references for my assignments

Discuss the evidence regarding the role of self-esteem in academic achievement

The length of time a 1999 Honda Civic lasts before needing major repairs is normally distributed with a mean of 7 years and a standard deviation of 1.7 years.

a. What is the probability that a randomly selected 1999 Honda Civic lasts between 5.5 and 9 years?

b. If Honda Motor Company, Ltd. informed you that your Honda Civic is at 70th percentile, what is your Honda Civic’s years without major repairs?

c. A family-owned two Honda Civics. One of them is 1999 and lasted 7.5 years without a major repair. Other one (2002) lasted 9.0 years, but the distribution of 2002 Honda Civic had higher mean (8.4) with a standard deviation of 1.9 years. Which Honda Civic did better relative to other Honda Civics from the same year? (hint: Need to compare z scores from different normal distributions (1999 and 2002).

solve the wave equation utt=4uxx for a string of length 3 with both ends kept free for all time (zero Neumann boundary conditions) if initial position of the string is given as x(3-x), and initial velocity is zero.

(PDE)

Find the series soln to Ut=Uxx on -2<x<2, T>0

with Dirichlet boundary { U(t,-2)=0=U(t, 2)

initial condition { U(0,x) = { x, IxI <1

Solve the given Boundary Value Problem. Apply the method undetermined coefficients when you solve for the particular solution.

y′′+2y′+y=(e^-x)(cosx−sinx)

y(0)=0,y(π)=e^π

The current of a beam of electrons, each with a speed of 908 m/s, is 7.15 mA. At one point along its path, the beam encounters a potential step of height -1.28 μV. What is the current on the other side of the step boundary?

The student academic group on a college campus claims that freshman students study at least 2.5 hours per day, on average. One Introduction to Statistics class was skeptical. The class took a random sample of 30 freshman students and found a mean study time of 137 minutes with a standard deviation of 45 minutes. At α = 0.01 level, is the student academic group’s claim correct? Calculate the p-value.

a. What is N-S equations for incompressible flows in cartesian coordinates in long form (in x,y,z coordinates)?

b. What is continuity equation and N-S equations for incompressible flows in polar coordinates in long form (in r,θ,z)

c. What is N-S equations in x direction for Planar Couette- Pouseille flow and derive an equation for velocity variation using boundary layer conditions

d. Assume an incompressible, steady, axissymmetric, fully developed Pouseille flow in a cylindrical pipe (infinitesimally long in z direction). The flow is in z direction, and radial and tangetial velocity is zero. Derive and simplify the N-S equation in z direction to find out the velocity in z direction. (need to use the boundary conditions to solve for integration constants)

X values and probabilities

1. Given μ_X = 750, σ_X = 100

        a) find the p(X < 970)

        b) find the p(X > 724)

        c) find the p(617 < X < 980)

        d) find X0 if p(X > X0) = .50

        e) find X0 if p(X < X0) = .0643

        f) find X0 if p(X > X0) = .4129

        g) find the 23^rd percentile of X

        h) find the two X values that are the boundary of the middle 86%, i.e. p(X0 < X < X1) = .86 and X0 and X1 are the same number of SD's away from the mean.

        i) find the two X values that are the boundary of the middle 36%, i.e. p(X0 < X < X1) = .36 and X0 and X1 are the same number of SD's away from the mean.