A Pew Research poll in 2011 asked 2005 U.S. adults whether being a father today is harder

Question:

A Pew Research poll in 2011 asked 2005 U.S. adults whether being a father today is harder than it was a generation ago. Here's how they responded:
Response Number
Easier …………………… 501
Same …………………… 802
Harder…………………… 682
No Opinion ……………… 20
Total ……………………..2005
If we select a respondent at random from this sample of 2005 adults,
a) What is the probability that the selected person responded "Harder"?
b) What is the probability that the person responded the "Same" or "Easier"?