User Account

All Pages

chapter 7, Basic Statistics

Assignment Help:
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

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

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

Related Discussions:- chapter 7

Online homework, I need help with online accounts homework.

I need help with online accounts homework.

Test of hypothesis, A toothpaste company wants to know if its new products ...

A toothpaste company wants to know if its new products increases the length of time in between dentists visits for its uses. The company sets a target of 180 days to determine if i

Margin of error, The poll interviewed 1500 persons rather than 1060, for 95...

The poll interviewed 1500 persons rather than 1060, for 95% confidence.

What is cre, in Balance Sheet

in Balance Sheet

State income tax, State income tax In most declares paycheck accounting...

State income tax In most declares paycheck accounting will involve a condition earnings tax. In those declares a company is necessary to hold the condition earnings tax that an

What is the net book value of a noncurrent asset, What is a sole proprietor...

What is a sole proprietorship? A sole proprietorship is a form of business organization that is owned by one person. The owner is referred to as a sole proprietor. In accoun

Total quality management, Statistical process control, a methodology used f...

Statistical process control, a methodology used for controlling and improving the outcomes of operational processes, has been in use for almost 100 years!  It was widely used in ma

Interpret predictability and behaviou, Shafts are cut to length by two mach...

Shafts are cut to length by two machines, A and B. Each machine cuts 50 percent of all shafts in approximately the same amount of time. Machine A''s shafts are all good, but Machin

Managerial acc, waterways continuing prob

waterways continuing prob

Write Your Message!

Captcha
Order Assignment

Featured Services

Order Now

Popular Subjects

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +91-977-207-8620

Phone: +91-977-207-8620

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd