Assume That the Data Has a Normal Distribution and the Number

question 30

Multiple Choice

Assume that the data has a normal distribution and the number of observations is greater than fifty. Find the critical z
value used to test a null hypothesis.
- $\alpha = 0.05$ for a left-tailed test.

• A) \(- 1.645\)
• B) \(\pm 1.645\)
• C) \(\pm 1.96\)
• D) \(- 1.96\)

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