## What is the probability that52% or less of these companies outsourced some part of their manufacturing process in the past two to three year

In an effort to cut costs and improve profits, many U.S. companies have been turning to outsourcing. In fact, according toPurchasing magazine, 54% of companies surveyed outsourced some part of their manufacturing process in the past two to three years. Suppose560 of these companies are contacted.Appendix A Statistical Tables
a. What is the probability that335 or more companies outsourced some part of their manufacturing process in the past two to three years?
b. What is the probability that286 or more companies outsourced some part of their manufacturing process in the past two to three years?
c. What is the probability that52% or less of these companies outsourced some part of their manufacturing process in the past two to three years?

### Write the integral expression for the two-parameter output correlation function  over the time intervals .

Consider the following mean-square differential equation, driven by a WSS random process  with psd The differential equation is subject to the initial condition , where the random variable  has zero-mean, variance 5, and….

### Repeat the corresponding segment of the correlation function periodically.

If a stationary random process is periodic, then we can represent it by a Fourier series with orthogonal coefficients. This is not true in general when the random process, though….

### Show that an m.s. derivative process  exists here.

Certain continuous time communications channel can be modeled as signal plus an independent additive noise (a) The receiver must process  for the purpose of determining the value of the message random….