content area top Part 1 Calculate the p-value for the following conditions and determine whether or not to reject the null hypothesis. a) one-tail test, z Subscript x overbarzxequals=1.21.20, and alphaequals=0.050.05 b) one-tail test, z Subscript x overbarzxequals=negative 2.052.05, and alphaequals=0.010.01 c) two-tail test, z Subscript x overbarzxequals=2.72.70, and alphaequals=0.050.05 d) two-tail test, z Subscript x overbarzxequals=negative 1.271.27, and alphaequals=0.100.10