The bulbs manufactured by a company gave a mean life of 3000 hours with standard deviation of 400 hours. If a bulb is selected at random, what is the probability it will have a mean life less than 2000 hours?

Question:

1) Calculate the probability.

2) In what situation does one need probability theory?

3) Define the concept of sample space, sample points and events in context of probability theory.

4) What is the difference between objective and subjective probability?

CASE STUDY : 2

The price P per unit at which a company can sell all that it produces is given by the function P(x) = 300 — 4x. The cost function is c(x) = 500 + 28x where x is the number of units produced. Find x so that the profit is maximum.

Question:

1) Find the value of x.

2) In using regression analysis for making predictions what are the assumptions involved.

3) What is a simple linear regression model?

4) What is a scatter diagram method?

CASE STUDY : 3

Mr Sehwag invests Rs 2000 every year with a company, which pays interest at 10% p.a. He allows his deposit to accumulate at C.I. Find the amount to the credit of the person at the end of 5th year.

Question :

1) What is the Time Value of Money concept.

2) What do you mean by present value of money?

3) What is the Future Value of money.

4) What the amount to be credited at the end of 5th year.

CASE STUDY : 4

The cost of fuel in running of an engine is proportional to the square of the speed and is Rs 48 per hour for speed of 16 kilometers per hour. Other expenses amount to Rs 300 per hour. What is the most economical speed?

Question:

1) What is most economical speed?

2) What is a chi-square test?

3) What is sampling and what are its uses.

4) Is there any alternative formula to find the value of Chi-square?

...Lego CaseStudyAnalysis
Pallav Mathur
Q 1. What led the LEGO group to the edge of bankruptcy by 2004?
By the end of 2003 Lego was already facing crisis owing to dipping profits and declining market pool for toys. Lego had planned to expand into markets beyond building toys and needed huge investment to be made in it. But it found difficult to compete when fad players and other toy manufacturers were giving them stiff competition in a market that...

...
Unit 5 – RegressionAnalysis
Mikeja R. Cherry
American InterContinental University
Abstract
In this brief, I will demonstrate selected perceptions of the company Nordstrom, Inc., a retailer that specializes in fashion apparel with over 12 million dollars in sales last year. I will research, review, and analyze perceptions of the company, create graphs to show qualitative and quantitative analysis, and provide a summary of my findings....

...you
cannot consult the regression R2 because
(a) ln(Y) may be negative for 0 < Y < 1.
(b) the TSS are not measured in the same units between the two models.
(c) the slope no longer indicates the effect of a unit change of X on Y in the log-linear
model.
(d) the regression R2 can be greater than one in the second model.
1
(v) The exponential function
(a) is the inverse of the natural logarithm function.
(b) does not play an important role in modeling nonlinear...

...RegressionAnalysis Exercises
1- A farmer wanted to find the relationship between the amount of fertilizer used and the yield of corn. He selected seven acres of his land on which he used different amounts of fertilizer to grow corn. The following table gives the amount (in pounds) of fertilizer used and the yield (in bushels) of corn for each of the seven acres.
|Fertilizer Used |Yield of Corn...

...1. Business overview & Cost analysis
In order to compete with other milkshake shacks on the same beach of the resort, the small shake in my shack is priced at $5.00, a medium shake costs $7.00, and a large shake is priced at $10.00. My shack offers classic flavors of chocolate, strawberry and vanilla, but also caters to eclectic tastes with raspberry, mocha, Oreo shakes and many other different flavors. I use chocolate, strawberry and other flavored syrup to provide the flavor...

...Introduction
In this case we get an entire scenario about how the Japan deflation set in, what were the effects of the deflation on the economy as well as on the people of Japan. It also mentions about the various reasons because of which Japan was in such a tight grip of Deflation, Depression, Demographics and Debts Guides us through the steps taken by the government in order to curb this deflation. Imparts a great knowledge to us about the various economic terms like...

...
CASESTUDY NO.1
Mary Roberts had been with the company three years when she was promoted to manager of the tax department which was part of the controller’s division.Within four months she became a supervisor of ten staff accountants to fill a vacancy.Her superior believed her to be most qualified individual to fill the position.
Many senior employees resent her that she so young to fill the position and what made them more upsets was the fact tax managers...

...needed answers to these questions in
the coming days.
This casestudy discusses the start-up, origins and strategic options facing an innovative set up
and start up in automotive market and in the seat design. With the domination of the
incumbent large suppliers serving the top 3 leading tier-one automakers of U.S.,
Elio
Engineering faces several challenges as it seeks to introduce its new seating technology to the
market. The case can...

1241 Words |
4 Pages

Share this Document

{"hostname":"studymode.com","essaysImgCdnUrl":"\/\/images-study.netdna-ssl.com\/pi\/","useDefaultThumbs":true,"defaultThumbImgs":["\/\/stm-study.netdna-ssl.com\/stm\/images\/placeholders\/default_paper_1.png","\/\/stm-study.netdna-ssl.com\/stm\/images\/placeholders\/default_paper_2.png","\/\/stm-study.netdna-ssl.com\/stm\/images\/placeholders\/default_paper_3.png","\/\/stm-study.netdna-ssl.com\/stm\/images\/placeholders\/default_paper_4.png","\/\/stm-study.netdna-ssl.com\/stm\/images\/placeholders\/default_paper_5.png"],"thumb_default_size":"160x220","thumb_ac_size":"80x110","isPayOrJoin":false,"essayUpload":false,"site_id":1,"autoComplete":false,"isPremiumCountry":false,"userCountryCode":"US","logPixelPath":"\/\/www.smhpix.com\/pixel.gif","tracking_url":"\/\/www.smhpix.com\/pixel.gif","cookies":{"unlimitedBanner":"off"},"essay":{"essayId":35992204,"categoryName":"Literature","categoryParentId":null,"currentPage":1,"format":"text","pageMeta":{"text":{"startPage":1,"endPage":2,"pageRange":"1-2","totalPages":2}},"access":"premium","title":"Regression Analysis and Case Study","additionalIds":[19,219,7,93,27],"additional":["Natural Sciences","Natural Sciences\/Mathematics","Education","Education\/Greek System","Sports \u0026 Recreation"],"loadedPages":{"html":[],"text":[1,2]}},"user":null,"canonicalUrl":"http:\/\/www.studymode.com\/essays\/Regression-Analysis-And-Case-Study-1072868.html","pagesPerLoad":50,"userType":"member_guest","ct":10,"ndocs":"1,500,000","pdocs":"6,000","cc":"10_PERCENT_1MO_AND_6MO","signUpUrl":"https:\/\/www.studymode.com\/signup\/","joinUrl":"https:\/\/www.studymode.com\/join","payPlanUrl":"\/checkout\/pay","upgradeUrl":"\/checkout\/upgrade","freeTrialUrl":"https:\/\/www.studymode.com\/signup\/?redirectUrl=https%3A%2F%2Fwww.studymode.com%2Fcheckout%2Fpay%2Ffree-trial\u0026bypassPaymentPage=1","showModal":"get-access","showModalUrl":"https:\/\/www.studymode.com\/signup\/?redirectUrl=https%3A%2F%2Fwww.studymode.com%2Fjoin","joinFreeUrl":"\/essays\/?newuser=1","siteId":1,"facebook":{"clientId":"306058689489023","version":"v2.8","language":"en_US"},"analytics":{"googleId":"UA-32718321-1"}}