Use the rule of total probability to find the indicated probability.
A survey conducted in one U.S. city together with information from the census bureau yielded the following table. The first two columns give a percentage distribution of adults in the city by ethnic group. The third column gives the percentage of people in each ethnic group who have health insurance. Round to the nearest thousandth.
Ethnic Group
Percentage
Percentage with
of adults health insurance
Determine the probability that a randomly selected adult has health insurance.
◦ 0.564
◦ 0.630
◦ 0.063
◦ 0.584