Question 15 1 pts 11. The incomes of all families in a particular suburb can be represented by a continuous random variable. It is known that the median income for all families in this suburb is $55,000 and that 30% of all families in the suburb have incomes above $67,000. Answer parts (a) and (b). 11(a). For a randomly chosen family, what is the probability that its income will be between $55,000 and $67,000? Enter your probability as a decimal. Question 16 1 pts 11(b). Given no further information, what can be said about the probability that a randomly chosen family has an income below $60,000? O P(X 0.7 O P(X