Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

An investment banker would like to determine the percentage of new clients who will make the certain kind of investment. If she wants the sampling error of new greater than 2.5% and confidence level of 90%, how many clients must she sample? What sample size is needed for 85% confidence level?

A manufacturer bonds a plastic coating in metal surface. A random sample of nine observations n the thickness of this coating is taken from the week's output, and the thickness in millimeters are follows:

19.8 21.2 18.6 20.4 21.6 19.8 19.9 20.3 20.8

Supposing normality, find out a 90% confidence interval for the population variance.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922911

Have any Question? 


Related Questions in Statistics and Probability

What was the highest point of the popes power and what was

What was the highest point of the pope's power and what was the lowest point?

A buyer suspects that the factorys claimed life of mean is

A buyer suspects that the factory's claimed life of mean is 3000 hours for these light balls are too high. To check the claim, the factory tests 50 of these light balls and gets a mean lifetime of sample mean = 2988 hour ...

Let s sube rn be a closed and convex set and let x isin

Let S ⊆ Rn be a closed and convex set, and let x ∈ S. Find a hyperplane H(α, β) strictly separating x from S; i.e., x is in the interior of H +(α, β), and S is in the interior H -(α, β).

Lazer incorporated purchased a delivery van for 29000 its

Lazer Incorporated purchased a delivery van for $29,000. Its useful life is estimated as 5 years, with a salvage value of $2,000. Using the sum-of-the-years' digits depreciation method, calculate the book value at the en ...

The us express reported that the color distribution for

The US Express reported that the color distribution for plain M&M's was: 40%brown, 20% yellow, 20% orange, 10% green, and 10% tan. Each piece of candy in a random sample of 100 plain M&M's was classified according to col ...

Ship collisions are rare in the houston ship channel the

Ship Collisions are rare in the Houston Ship Channel. The mean is .8 collisions in 6 months What is the probability of no collisions in 6 months. What is the probability of one collision in a year?

What is the difference between inter participant and intra

What is the difference between inter participant and intra participant variance? Which of these types of variance is more closely related to error variance in group experimental designs? Which type is of primary interest ...

Since 1865 african americans native americans women latino

Since 1865, African Americans, Native Americans, Women, Latino Americans, Asian Americans, other Minority Groups (native-born and immigrant), Homosexuals, Immigrants from all over, Religious Groups, etc. all agitated for ...

1 what is the range and why is it not ideal as an index of

1. What is the range, and why is it not ideal as an index of variability? 2. Give a definition of variance, then explain how you would calculate it. 3. How does variance differ from the total sum of squares?

Business quantative analysis and statistics 1project

BUSINESS QUANTATIVE ANALYSIS AND STATISTICS 1 Project Management Scenario: You are a consultant with expertise in project management strategies. Select a possible project management situation from your current or future ...

  • 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

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro