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Earn +20 ptsQ: How do you test two tailed z distribution?
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What is the Z value for 90 percent confidence interval estimation?
The answer depends on whether the test is one-tailed or two-tailed.One-tailed: z = 1.28 Two-tailed: z = 1.64
What are the critical z-values ofr a two-tailed hypothesis test if the significant level equals 0.01?
2.58
What is the critical z value that corresponds to a confidence level of 88 percent?
z = 1.56 gives a 2-tailed interval for 88%.z = 1.56 gives a 2-tailed interval for 88%.z = 1.56 gives a 2-tailed interval for 88%.z = 1.56 gives a 2-tailed interval for 88%.
What Z value corresponds to a confidences level of 93 percent?
Z = ± 1.8119 gives a two-tailed interval of 93%
What is the critical z value thst corresponds to a confidence level of 88 percent?
The answer will depend on whether the critical region is one-tailed or two-tailed.
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