Asked by jessica

All the houses in Stanton County have a mean size of 1,650 square feet with a standard deviation of 320. Assume the distribution of their size follows a normal distribution.
If you inspected the houses in Stanton County, about what percentage would be between 1,330 and 1,970 square feet?

a) 99.7%
b) 95%
c) 34%
d) 68%

Answers

Answered by oobleck
you can play around with Z table stuff at

https://davidmlane.com/hyperstat/z_table.html
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