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Online Test 2
11.
Suppose the data to the right represent the survival data for the a certain ship that sank. The males are adult males and the females are adult females. Complete parts (a) through (j).
(a) If a passenger is selected at random, what is the probability that the passenger survived?
(b) If a passenger is selected at random, what is the probability that the passenger was female?
(c) If a passenger is selected at random, what is the probability that the passenger was female or a child?
(d) If a passenger is selected at random, what is the probability that the passenger was female and survived?
(e) If a passenger is selected at random, what is the probability that the passenger was female or survived?
(f) If a female passenger is selected at random, what is the probability that she survived?
(g) If a child passenger is selected at random, what is the probability that the child survived?
(h) If a male passenger is selected at random, what is the probability that he survived?
(i) Do you think the adage “women and children first” was adhered to on this ship?
- No, because the survival rate for men was about the same as the survival rates for women and children.
- Yes, because the survival rate for men was much lower than the survival rates for women and children.
- No, because the survival rate for men was higher than the survival rates for women and children.
(j) Suppose two females are randomly selected. What is the probability both survived?
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This question is taken from Math 227 – Statistics » Summer 2021 » Online Test 2