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# Long description

The image depicts a bell-shaped curve, representing a standard normal distribution, with areas marked for the ‘fail to reject’ region and the ‘rejection’ region. The curve shows the z critical value at 1.65, which marks the boundary between these regions. A z-statistic of 2.58 is located in the shaded rejection region, indicating that any test statistic beyond this point would lead to rejecting the null hypothesis.