Question 1208817
the point estimate is 0.170 and the sd=sqrt (0.170*0.830)/47)=0.053); that *2.58 z(0.995) =0.14 margin of error.
99% CI for the estimate is (0.03, 0.31)
margin of error=z*sqrt(0.17*0.83)/n
.02=2.58*sqrt(.17*.83)/n)
square both sides and rearrange
0.0004n=6.66*0.14
n=2331