Claim: A majority of adults would erase all of their personal information online if they could. A software firm survey of 518 randomly selected adults showed that 62% of them would erase all of their personal information online if they could. Complete parts (a) and (b) below.

a. Express the original claim in symbolic form. Let the parameter represent the adults that would erase their personal information.

b. Identify the null and alternative hypotheses.