<PRE><B>Question 1195123</B>
Ho: p=0.5
Ha: p NE 0.5
alpha=0.05 (will use that)prob.{reject Ho|Ho true}
phat=310/580=0.5345
z=(0.5345-0.500)/sqrt(0.5*0.5/580)
=0.0345/0.0207
=1.67
fail to reject Ho; insufficient evidence to say support is not 50% in the population.
p-value 0.096
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