Find the​ P-value for a​ left-tailed hypothesis test with a test statistic of z=−1.78. Decide whether to reject H0 if the level of significance is α=0.05. ​P-value= ​(Round to four decimal places as​ needed.)   State your conclusion. Choose the correct answer below.   Since P>α​, reject H0.   Since P≤α​, fail to reject H0.   Since P>α​, fail to reject H0.   Since P≤α​, reject H0.

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