Question 1168029
p hat=651/1851=0.352
95% half-interval is z(0.975)*sqrt (phat*(1-phat)/n)
=1.96* sqrt (0.352*0.648/1851)
=+/-0.0218 or 0.22
(0.330, 0.374)
Use 0.373, with rounding, rather than 0.370.