Question 1187525: The ages of cars owned by people living in a city have a bell-shaped curve with a mean of 7.3
years and a standard deviation of 2.2 years.
a. Find the percentage of cars in this city that are below 5.1 years.
b. Find the percentage of cars in this city that are above 0.7 years.
Answer by ikleyn(52802) (Show Source):
You can put this solution on YOUR website! .
Go to online (free of charge) normal distribution probability calculator
https://onlinestatbook.com/2/calculators/normal_dist.html
Input the given parameters of each part into the appropriate window of the calculator and get the answers
to your questions.
The calculator has perfect description and design, so EVERY person, even beginner, may work with it on his or her own,
even having minimum knowledge on the subject.
////////////////////
Or, alternatively, you may use your GRAPHING CALCULATOR.
See THIS Internet source / site
https://mathbits.com/MathBits/TISection/Statistics2/normaldistribution.htm
Find there EVERYTHING you need to know in clear and compact form
to solve this problem (and thousand other) similar and different problems ON YOUR OWN.
Happy calculations ( ! )
|
|
|