Question 1203867
the calculator at <a href = "https://www.hackmath.net/en/calculator/normal-distribution?mean=1400&sd=110&above=&below=1070&area=between&ll=1070&ul=1400&outsideLL=&outsideUL=&draw=Calculate" target = "_blank">https://www.hackmath.net/en/calculator/normal-distribution?mean=1400&sd=110&above=&below=1070&area=between&ll=1070&ul=1400&outsideLL=&outsideUL=&draw=Calculate</a> can help you solve this without too much effort.


here are the results.


The mean price paid is $1400 and the standard deviation is $110.


What is the approximate percentage of buyers who paid between $1290 and $1400?


<img src = "http://theo.x10hosting.com/2023/092411.jpg">


What is the approximate percentage of buyers who paid between $1290 and $1510?


<img src = "http://theo.x10hosting.com/2023/092412.jpg">


What is the approximate percentage of buyers who paid between $1180 and $1400?


<img src = "http://theo.x10hosting.com/2023/092413.jpg">


What is the approximate percentage of buyers who paid less than $1180?


<img src = "http://theo.x10hosting.com/2023/092417.jpg">


What is the approximate percentage of buyers who paid less than $1070?


<img src = "http://theo.x10hosting.com/2023/092415.jpg">


What is the approximate percentage of buyers who paid between $1070 and $1400?


<img src = "http://theo.x10hosting.com/2023/092416.jpg">