Consider again the results of the poll about fathering discussed in Exercise 34. If we select two people at random from this sample,
Response Number
Easier …………………… 501
Same …………………… 802
Harder …………………… 682
No Opinion ……………… 20
Total …………………….. 2005
a) What is the probability that both think that being a father is easier today?
b) What is the probability that neither thinks being a father is easier today?
c) What is the probability that the first person thinks being a father is easier today and the second one doesn't?
d) What assumption did you make in computing these probabilities?
e) Explain why you think that assumption is reasonable.