The mean monthly mortgage paid by all home owners in a city is $1375 with a standard deviation of $245

1. Using Chebyshev's theorem, find at least what percentage of all home owners in the city pay a monthly mortgage of (3) points each
   1. $885 to $1865
   2. $640 to $2110
2. Using Chebyshev's theorem, find the interval that contains the monthly mortgage payments of at least 87% of all home owners. (6 points)
3. Using Chebyshev's theorem, find the interval that contains the monthly mortgage payments of at least 95% of all home owners. (6 points)
4. Using Chebyshev's theorem, find the interval that contains the monthly mortgage payments of at least 90% of all home owners. (6 points)