1) If the chance of getting a disease is 10 percent, how many people out of 1,000 would be expected to get the disease?Who says so? Professor Olivia S. Mitchell of the Wharton School at the University of Pennsylvania, in Implications of the Financial Crisis for Long Run Retirement Security. According to the paper "... these three financial literacy questions turn out to be incredibly good predictors of whether middle-aged people plan for retirement, save for retirement, and do well at retirement".
2) If 5 people all have the winning number in the lottery and the prize is 2 million dollars, how much will each of them get?
3) Let’s say you have 200 dollars in a savings account. The account earns 10 percent interest per year. How much would you have in the account at the end of two years?
Those who can, do, and those who can't, don't.