The graph illustrates a normal distribution for the prices paid for a particular model of HD television. The
mean price paid is $1400 and the standard deviation is $140.
980
1120
1680
1820
1260 1400 1540
Distribution of Prices
Q
What is the approximate percentage of buyers who paid between $1400 and $1820?
%
What is the approximate percentage of buyers who paid between $1260 and $1540?
What is the approximate percentage of buyers who paid between $1260 and $1400?
What is the approximate percentage of buyers who paid less than $1120?
What is the approximate percentage of buyers who paid less than $980?
What is the approximate percentage of buyers who paid between $1120 and $1400?