Question 1198430
Ho: p = .71
Ha: p > .71 researches claim
n = 110  (n>30, use z-test)
x̄ = 91/110 = .827 rounded
{{{z =blue (.827 - .71)/sqrt(blue(.71(.29)/110))}}} = 2.7
p(z > 2.7) = .0035
 .0035 < .01 , reject Ho. The Evidence supports the researches claim.