A pew research poll in 2011 asked 2005 us adult weather being a father is harder
ID: 3383881 • Letter: A
Question
A pew research poll in 2011 asked 2005 us adult weather being a father is harder than it was a generation ago. Here is the data
Response
Number
Easier
501
Same
802
Harder
682
No opinion
20
Total
2005
1. If we select one respondent at random from this sample of 2005 adults
a. What is the probability that a selected person thinks that being a father is harder today?
b. What is the probability that a selected person thinks that being a father is the same to easier today?
c. What is the probability that a selected person thinks that being a father is not easier today?
2- If we selected three people at random from the sample of 2005 adults:
a. What is the probability that all three think that being a father is easier today?
b. What is the probability that non of the three think that being a father is easier today?
c. What is the probability that the first person thinks being a father is easier today, but the other two think that it is not easier?
d. What is the probability that at least one of the three thinks being a father is not easier today?
Response
Number
Easier
501
Same
802
Harder
682
No opinion
20
Total
2005
Explanation / Answer
1. If we select one respondent at random from this sample of 2005 adults
a. What is the probability that a selected person thinks that being a father is harder today?
682 / 2005 = 0.34
b. What is the probability that a selected person thinks that being a father is the same to easier today?
802 / 2005 = 0.4
c. What is the probability that a selected person thinks that being a father is not easier today?
1 - 501/2005 = 0.75
for the other literals
I can gladly help you but you should post it in a new question
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