I got about .84 because I added the total number of people married and the total number of people never married. 123+70=193. I then found the probability of 193 over the total number of people in the population. 193/231= .83549784
This decimal estimated is about .84.
The probability that the person is married or has never married is about .84.
Under compound interest, not only does the principal generate interest, so does the previous accumulated interest. The future value F of P dollars compounded annually for t years with an annual percentage rate (APR) r expressed as a decimal is .
