Question: 5. Assume that the data has a normal distribution and the number of observatio greater than fifty. Find the critical z value used to

5. Assume that the data has a normal distribution and the number

5. Assume that the data has a normal distribution and the number of observatio greater than fifty. Find the critical z value used to test a null hypothesis. = 0.05 for a left-tailed test. O1.645 O-1.645 O-1.96 O1.96

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