help, please!

The graph illustrates a normal distribution for the prices paid for a particular model of HD television. The mean price paid is $1000 and the standard deviation is $150. 550 700 850 1000 1150 1300 1450 Distribution of Prices What is the approximate percentage of buyers who paid between $1000 and $1150? What is the approximate percentage of buyers who paid between $850 and $1150? What is the approximate percentage of buyers who paid less than $550? What is the approximate percentage of buyers who paid between $700 and $1000? What is the approximate percentage of buyers who paid more than $1300? What is the approximate percentage of buyers who paid between $1000 and $1450