In a representative sample of 170 adult Americans, only 71 could name at least one justice who is currently serving on the U.S. Supreme Court. Using a significance level of 0.01, carry out a hypothesis test to determine if there is convincing evidence to support the claim that fewer than half of adult Americans can name at least one justice currently serving on the Supreme Court.
A.)pi hat =
B.)zcalc =
c.)p-value=