(Solved): The test statistic of Z=1.76 is obtained when testing the claim that P=0.25, where P is the prop ...

The test statistic of $Z=1.76$ is obtained when testing the claim that $P\ne 0.25$, where $P$ is the proportion. a) Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b) Using a significance level 0.05 , should we reject the null hypothesis or should we fail to reject the null hypothesis? Explain why.