Customer Service Chat
Get quote & make Payment
ch 7 , Basic Statistics
.A study of long term phone calls made from general electricss corporate headquarters in fairfeild, conneticuit, revealed the length of the calls, in minutes follows the normal probability distribution. the mean length of time per call was 4.2 minutes and the standard deviation was .60 minutes. a. what fraction of calls last between 4.2 and 5 minutes B. what fraction of calls last more than 5 minutes C. what fraction of the calls last between 5 and 6 minutes D. what fraction of the calls last between 4 and 6 minutes E. as part of her report to the president the director of communications would like to report the length of the longest 4% of calls what is the time
2.The funds dispersed at the atm machine located near the checkout line at the krogers in union kentucky follows normal probability distribution with a mean of 4200 per day and a standard deviation of 720 per day. The machine is programmed to notify the nearby bank if the amount is very low( less than 2500) or very high( more than 6000) A. what percent of the days will the bank be notified because the amount dispensed is very low B. what is the percent of time will the bank be notified because the amount dispensed is to high C. what perfcent of the time will the bank not be notified regarding the amount dispersed
3. The price of shares of bank of florida at the end of trading each day for the last year followed the normal distribution. Assume there were 240 trading days in the year. The mean price was 42.00 per share and the standard deviation was 2.25 per share A. what percent of the days was the price over 45.00, How many days would you estimate B. What percent of days was the price between 38 and 40 C. what was the stock price on the highest 15% days
Posted Date: 3/3/2013 3:11:24 PM | Location : United States
Ask an Expert
ch 7 , Assignment Help, Ask Question on ch 7 , Get Answer, Expert's Help, ch 7 Discussions
Write discussion on ch 7
Your posts are moderated
Write your message here..
T-distribution, How does the t-distribution changes its shape with the chan...
How does the t-distribution changes its shape with the change of the size of the sample?
Study guide, Can you provide me a study guide for accounting please? Can yo...
Can you provide me a study guide for accounting please? Can you give me picture examples & instructions on how to do things that are really easy to understand? I need this for doin
Texas.., what is the Texas state gemstone
what is the Texas state gemstone
Calculate the mean and the standard deviation, 1. Create formulas to calcu...
1. Create formulas to calculate the normalized (i.e., percentage scores) for each of the quizzes and exams. The yellow fields depict where these interim calculations are required
Need help, PART 1 Shown below are the sales revenue and advertising cost da...
PART 1 Shown below are the sales revenue and advertising cost data for seven companies published by International Advertising Age. COMPANY ADVERTISING ($ MILLIONS) SALES ($ BILLION
Definition of brokerage based question, Definition of brokerage is termed a...
Definition of brokerage is termed as a fee paid to a broker for services. BROKERAGE is a fee which is paid to the broker for his/her services to act as an intermediary between the
Depreciation, X purchased a machinery on instalment system for rs.27300 to ...
X purchased a machinery on instalment system for rs.27300 to be paid as follows. on delivery rs.8000, at the end of first year rs.7600, at the end of second years.6000, at the end
Measures of dispersion, advantages an d disadvantages of various measures o...
advantages an d disadvantages of various measures o f dispersion
Hypothesis testing.., Miller (2008) examined the energy drink consumption o...
Miller (2008) examined the energy drink consumption of college undergraduates and found that males use energy drinks significantly more often than females. To further investigate t
Accounting Assignment Help
Economics Assignment Help
Finance Assignment Help
Statistics Assignment Help
Physics Assignment Help
Chemistry Assignment Help
Math Assignment Help
Biology Assignment Help
English Assignment Help
Management Assignment Help
Engineering Assignment Help
Programming Assignment Help
Computer Science Assignment Help
IT Courses and Help
Why Us ?
~24x7 hrs Support
~Quality of Work
~Time on Delivery
~Privacy of Work
Human Resource Management
Literature Review Writing Help
Follow Us |
T & C
Copyright by ExpertsMind IT Educational Pvt. Ltd.