test at a=.05, the hypotheses H0: u=.33 versus Ha: u<.33n with p=.23 and n=100 show the calculated and critical values of the test statistic Solution H0: u=.33 Ha: u<.33 u=.23 n=100 =root(p(1-p)/n) =0.042 CI= (-z ,+z ) CI= (0.25 , 0.41) since Confidence interval contains Ho . Ho is true. plz rate lifesaver.

1. test at a=.05, the hypotheses H0: u=.33 versus Ha: u<.33n with p=.23 and n=100
show the calculated and critical values of the test statistic
Solution
H0: u=.33
Ha: u<.33
u=.23
n=100
=root(p(1-p)/n) =0.042
CI= (-z ,+z )
CI= (0.25 , 0.41)
since Confidence interval contains Ho .
Ho is true.
plz rate lifesaver