1.先求standard normal z value:(1637-1600)/150
pnorm((1637-1600)/150,lower.tail = F)[1] 0.4025831
也就是说,这得出来的;p-value大于0.5.accept hypothesis.
1.先求standard normal z value:(1637-1600)/150
pnorm((1637-1600)/150,lower.tail = F)[1] 0.4025831
也就是说,这得出来的;p-value大于0.5.accept hypothesis.