Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

1) Companies which design furniture for elementary school classrooms create a variety of sizes for kids of various ages.  Assume the heights of kindergarten children can be describeed by a Normal distribution with a mean of 37.2 inches and standard deviation of 2.1 inches.

a) What fraction of kids must the company expect to be less than 35 inches tall?

b) In what height interval must the company expect to determine the middle 70% of kindergarteners?

c) At least how tall are the biggest 15% of students?

2) Bank Accounts: You work for business analytics department of a large commercial bank, and you learn that balances of small-business accounts are distributed on log-scale according to a normal distribution.  You also learn that the lower and upper quartiles of the balances are $500 and $50,000, respectively.  In the sub-problems given below you will end up inferring in small steps what a 95% range of the bank balances is.

a) Determine the lower and upper quartiles of the log10-balances?

b) Determine the mean and standard deviation of log10-balances?

c) Determine a 95% range of the log10-balances?

d) Determine a 95% range of the balances in $s?  Express in English what the two boundaries mean.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M910350

Have any Question? 


Related Questions in Statistics and Probability

Your assignment this week is to describe structural

Your assignment this week is to describe structural equation modeling in which you include: (a) a comparison of the first and second generation models of structural equation modeling and their related major assumptions, ...

1 what are the four basic goals of behavioral research2

1. What are the four basic goals of behavioral research? 2. Distinguish between basic and applied research. In what ways are basic and applied research interdependent?

A psychologist measures units of change for a memory test

A psychologist measures units of change for a memory test after students are given an opportunity to sleep only four hours. The following change units were obtained: 7, -12, 4, -7, 3, -10. Find the a) mean, b) median, c) ...

1 describe a mixed or split-plot factorial design this

1. Describe a mixed, or split-plot, factorial design. This design is a hybrid of what two other designs? 2. What is a main effect? 3. How many main effects can be tested in a 2 x 2 design? In a 3 x 3 design? In a 2 x 2 x ...

Three different brands of pain relief medication are

Three different brands of pain relief medication are available for minor aches and pains. It is of interest to know whether the mean time to relieve the pain differs from brand to brand. To find out, twelve individuals w ...

1 you wish to learn the proportion of mba students that are

1.) You wish to learn the proportion of MBA students that are female within 3%, and with 98% confidence. How large of a sample should you get? 2.) You wish to learn the average age of an MBA student within 2 years and wi ...

How could the federal government at the time of the gilded

How could the federal government at the time of the Gilded Age have reduced the economy's exposure to panics and recessions?

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 ...

The percentage of people who recycle their old phone books

The percentage of people who recycle their old phone books is 15.8% on average. If 240 people are randomly selected, what is the probability that more than 20% of them recycle their phone books?

Topicnbspstate party structurethreadnbspfirst review the

Topic:  State Party Structure Thread:  First, review the Reading & Study presentation "Political Structure at the State Level" as an example about the structure of the Republican Party in Virginia Select 1 of the major p ...

  • 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