A smooth curve that represents a distribution is provided Use this curve to do the following

a. Identify the shape of the distribution with regard to modality.

b. Identify the shape of the distribution with regard to symmetry (or nonsymmetry)

c. If the distribution is unimodal and nonsymmetric, classify it as either right skewed or left skewed.

 

               a. The distribution is __________

17. Let A denote the event that the next request for assistance from a statistical software consultant relates to the SPSS package, and let B be the event that the next request is for help with SAS. Suppose that P(A) = .30 and P(B) = .50.

a. Why is it not the case that P(A) + P(B) = 1?

b. Calculate P(A').

c. Calculate P(A U B).

d. Calculate P(A ⋂ B') .

Which of the following is an example of a finite population in a queuing system?

A. People waiting to place their order at a fast food restaurant

B. The departmental faculty in line at the copy machine.

C. People waiting in line at an ATM.

D. Patients seeking help in a hospital emergency room

E. Taxpayers calling for assistance from the IRS

The RC high-pass filter shown in Figure has a  resistance   and a capacitance What is the ratio of the amplitude of the output voltage to that of that of the input voltage for this filter for a source frequency of 600Hz?