Question 19' 5.3.13 HW Score: 80%, 16 of 20 Homework: ch5 PM 1 of 4 Poms Points: 0 of 1 In 1970, 91% of 30yearolds in a country earned more than their parents did at age 30 (adjusted for ination), In 2014, only 42% of 30yearolds in the same country earned more than their parents did at age 30. Complete parts a to d below. {a} What is the probability a randomly selected 30yearold in 1970 earned more than his or her parents at age 30? The probability is _ (Round to four decimal places as needed.)