Zulikha H.

asked • 03/25/22

Normal Distribution and Percentages

The graph illustrates a normal distribution for the prices paid for a particular model of HD television. The mean price paid is $1800 and the standard deviation is $85.


What is the approximate percentage of buyers who paid more than $2055?

%


What is the approximate percentage of buyers who paid between $1800 and $1885?

%


What is the approximate percentage of buyers who paid between $1715 and $1885?

%


What is the approximate percentage of buyers who paid more than $1970?

%


What is the approximate percentage of buyers who paid between $1630 and $1800?

%


What is the approximate percentage of buyers who paid between $1800 and $2055?

%

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