In a poll of 500 American High School students, .75% (p¯=0.75) said that they used the Internet for social purposes at least once a day. The goal is to construct a 99% confidence interval for the percentage (p) of American High School students who use the Internet for social purposes at least once per day around the period the poll was conducted.
The 99% confidence interval estimate of p is (Select one):

a) 0.44 ± 0.002
b) 0.44 ± 0.03
c) 0.75 ± 0.15
d) 0.75 ± 0.05

Suppose around the period the above poll was conducted, an Internet Company CEO made a personal statement saying that .85% of American High School students use the Internet daily for social reasons.
In light of the sample evidence and at the 1% level of significance, (Select one):

a. We can reject the commentator's claim
b. We cannot reject the commentator's claim