Question: 13.40 5% versus 1 %. Sketch the standard Normal curve for the z test statistic and mark off areas under the curve to show why

13.40 5% versus 1 %. Sketch the standard Normal curve for the z test statistic and mark off areas under the curve to show why a value of z that is significant at the 1% level in a one sided test is always significant at the 5% level. If ^ is significant at the 5% level, what can you say about its significance at the 1% level?

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