Question according to thomson financial through january 25, Ask an Expert

Engineering

Question: According to Thomson Financial. through January 25. 2006. the majority of companies reporting profits had beaten estimates (BusinessWeek. February 6. 2006). A sample of 162 companies showed that 104 beat estimates. 29 matched estimates, and 29 fell short.

a. What is the point estimate of the proportion that fell short of estimates?

b. Determine the margin of error and provide a 95% confidence interval for the proportion that beat estimates.

c. How hrge a sample is needed if the desired margin of error is .05?

View complete question

Engineering Mathematics, Engineering

Category:- Engineering Mathematics
Reference No.:- M92265162

Have any Question?Write your Review or question?

Related Questions in Engineering Mathematics

1 this problem concerns of the proof of the np-completeness

(1) This problem concerns of the proof of the NP-completeness of 300L a) Convert the formula F into a 300L graph b) Find a solution for the 300L instance of F and verify that it is a solution for F F = (Z 1 V Z 2 ) ^ (z ...

Question a suppose that you are given an instance of the

Question : (a) Suppose that you are given an instance of the MST problem on a graph G, with edge weights that are all positive and distinct. Let T be the minimum spanning tree for G returned by Kruskal's algorithm. Now s ...

Question suppose that g is a directed graph in class we

Question : Suppose that G is a directed graph. In class we discussed an algorithm that will determine whether a given vertex can reach every other vertex in the graph (this is the 1-to-many reachability problem). Conside ...

Math assignment -q1 let fx -x3-cosx and p0 1 use newtons

Math Assignment - Q1. Let f(x) = -x 3 -cos(x), and p 0 = 1. Use Newton's method to find p 2 . Could p0=0 be used? Q2. Perform two iterations by Newton's method and the secant method to each of the following: a. e x + 2 - ...

Problem 1given a sequence xn for 0lenle3 where x0 1 x1 1

Problem # 1: Given a sequence x(n) for 0≤n≤3, where x(0) = 1, x(1) = 1, x(2) = -1, and x(3) = 0, compute its DFT X(k). (Use DFT formula, don't use MATLAB function) Use inverse DFT and apply it on the Fourier components X ...

Question 1 - many spas many componentsconsider 4 types of

Question 1 - Many spas, many components Consider 4 types of spa tub: Aqua-Spa (or FirstSpa, or P1), Hydro-Lux (or SecondSpa, or P2), ThirdSpa (or P3) and FourthSpa (or P4), with the production of products P1, ..., P4 in ...

Question suppose g is an undirected connected weighted

Question : Suppose G is an undirected, connected, weighted graph such that the edges in G have distinct edge weights. Show that the minimum spanning tree for G is unique.

All these questions should be answered in matlab 1 generate

All these questions should be answered in MATLAB !!! 1. Generate a set of 3 random patterns of dimension 12 where each value is +1 or -1.(3 random 12*12 matrix) 2. Create a 12-unit Hopfield network (a 12x12 matrix) from ...

Numerical analysis assignment -q1 define the following

Numerical Analysis Assignment - Q1. Define the following terms: (i) Truncation error (ii) Round-off error Q2. Show that if f(x) = logx, then the condition number, c(x) = |1/logx|. Hence show that log x is ill-conditioned ...

Analytical methods for engineers assignment - calculusthis

ANALYTICAL METHODS FOR ENGINEERS ASSIGNMENT - CALCULUS This assignment assesses Outcome - Analyse and model engineering situations and solve problems using calculus. Questions - Q1. Differentiate the following functions ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Engineering Mathematics Expert