Claim: The majority of adults would erase all of their personal information online if they could
Survey question: Would you erase all of your personal information online if you could?
Sample size: 448
Yes: 57%
No: 43%
(a)
We need to express the claim in symbolic form:

Where p is the proportion of "yes" in any survey.
(b)
The default null hypothesis is:

For the alternative hypothesis, we use the claim:
