a. The central 90% of the chi-square distribution with 11 degrees of freedom lies between what values?

Question:

a. The central 90% of the chi-square with 11 degrees of freedom lies between what values?
b. The central 95% of the chi-square with 11 degrees of freedom lies between what values?
c. The central 99% of the chi-square with 11 degrees of freedom lies between what values?
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...