SOLUTION: Please Answer the following Questions and explain how you derived at each of the following answers. � What symbol do we use for representing the mean of a population and w

Question 244807: Please Answer the following Questions and explain how you derived at each of the following answers.
� What symbol do we use for representing the mean of a population and what symbol do we use to represent the mean of a sample that you have taken?

� What Statements can you make about the density curves? (give at least 2)

� By Chebyshev�s Rule: Attendance at a university�s basketball games follows a normal distribution with mean m = 8,000 and standard deviation s = 1,000. Estimate the percentage of games that have between 7,000 to 9,000 people in attendance.

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Please Answer the following Questions and explain how you derived at each of the following answers.
� What symbol do we use for representing the mean of a population and what symbol do we use to represent the mean of a sample that you have taken?
---
population mean = mu = u
sample mean = x-bar or maybe y-bar
----------------------------------------
� What Statements can you make about the density curves? (give at least 2)
1) the area under the curve is 1
2) The range of the z or t values is approximately 6sigma.
----------------------------------------
� By Chebyshev�s Rule: Attendance at a university�s basketball games follows a normal distribution with mean m = 8,000 and standard deviation s = 1,000. Estimate the percentage of games that have between 7,000 to 9,000 people in attendance.
---
7000 to 9000 covers the interval within 1 standard deviation of the mean.
Chebyshev's Rule only states that there will be at least 1-[1/1^2]% = 0%
of the population. In other words, Chebyshev's Rule tells us nothing
about the amount of population within one standard deviation of the mean.
================================================
Cheers,
Stan H.

RELATED QUESTIONS
Please answer the following questions and explain how you derived each of your answer. (answered by stanbon)

a company buys the following 11 computers at $1350 each, 2 printers at $2600 each 60... (answered by user_dude2008)

Please help my son and I understand the following two questions I think once we... (answered by Fombitz)

This has been a tough one for me and any help is greatly appreciated! Mimi plans to... (answered by stanbon)

Can you please give me the answer to this equation, and explain how the answer was... (answered by ewatrrr,solver91311)

Please help me explain thoroughly the answer to the following questions? thank you so... (answered by scott8148)

Please explain the answer to the following questions. (-3)^4 = 81. -3^4 = -81.... (answered by MathLover1,MathTherapy)

I am in need of a geometry refresher, so, whoever is kind enough to answer this, please... (answered by scott8148)

I'm horribly stuck on this graph question. I need to look at both of the graphs listed... (answered by stanbon)