"PhysicalFun" is a physical center which opens 24 hours per day. Each member of “PhysicalFun" has an access card. Members would be charged in a weekly basic (Sunday 12:00a.m. to Saturday 11: 59 p.m.) according to the accumulated number of hours of facilities used within a week. The weekly basic charge is $150 with an additional charge of $30 per hour. According to the company record, the number of hours a member spends in “PhysicalFun" in a week is normally distributed with mean 15 hours and standard deviation 2.8 hours. (a) What are the average and standard deviation of weekly charge of a member? (b) Suppose the middle 85% of weekly charge of a member is denoted by $(L1, L2). Find the values of L1 and L2. (c) The senior management suggests fixing the weekly charge per member at $700. Assume the number of hours a member spends in “PhysicalFun" would not be changed due to the change of the weekly charge calculation method. What proportion of members would pay more money than the original system? (d) How many hours does a member spend in “PhysicalFun" in a week so he / she would be beneficial by the new system?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
icon
Concept explainers
Topic Video
Question
"PhysicalFun" is a physical center which opens 24 hours per day. Each member of “PhysicalFun" has an
access card. Members would be charged in a weekly basic (Sunday 12:00a.m. to Saturday 11: 59 p.m.)
according to the accumulated number of hours of facilities used within a week. The weekly basic charge is
$150 with an additional charge of $30 per hour. According to the company record, the number of hours a
member spends in “PhysicalFun" in a week is normally distributed with mean 15 hours and standard deviation
2.8 hours.
(a) What are the average and standard deviation of weekly charge of a member?
(b) Suppose the middle 85% of weekly charge of a member is denoted by $(L1, L2). Find the values of L1
and L2.
(c) The senior management suggests fixing the weekly charge per member at $700. Assume the number
of hours a member spends in “PhysicalFun" would not be changed due to the change of the weekly charge
calculation method. What proportion of members would pay more money than the original system?
(d) How many hours does a member spend in “PhysicalFun" in a week so he / she would be beneficial by
the new system?
Transcribed Image Text:"PhysicalFun" is a physical center which opens 24 hours per day. Each member of “PhysicalFun" has an access card. Members would be charged in a weekly basic (Sunday 12:00a.m. to Saturday 11: 59 p.m.) according to the accumulated number of hours of facilities used within a week. The weekly basic charge is $150 with an additional charge of $30 per hour. According to the company record, the number of hours a member spends in “PhysicalFun" in a week is normally distributed with mean 15 hours and standard deviation 2.8 hours. (a) What are the average and standard deviation of weekly charge of a member? (b) Suppose the middle 85% of weekly charge of a member is denoted by $(L1, L2). Find the values of L1 and L2. (c) The senior management suggests fixing the weekly charge per member at $700. Assume the number of hours a member spends in “PhysicalFun" would not be changed due to the change of the weekly charge calculation method. What proportion of members would pay more money than the original system? (d) How many hours does a member spend in “PhysicalFun" in a week so he / she would be beneficial by the new system?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 4 images

Blurred answer
Knowledge Booster
Application of Algebra
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman