The graph illustrates a normal distribution for the prices paid for a particular model of HD television. The mean price paid is $1600 and the standard deviation is $90.

Question

1330,1420,1510,1600,1690,1780,1870

Distribution of Prices

A) What is the approximate percentage of buyers who paid between $1510 and $1690?

___________%

B) What is the approximate percentage of buyers who paid between $1420 and $1600?

_________%

C) What is the approximate percentage of buyers who paid more than $1870?

_______%

D) What is the approximate percentage of buyers who paid more than $1780?

________%

E) What is the approximate percentage of buyers who paid between $1330 and $1600?

______%

F)What is the approximate percentage of buyers who paid between $1510 and $1600?

________%

Thank You!

Answer 1