If a sample of size 300 is selected, the value of A for the probability P(-A $\leq$ t_df=n-1 $\leq$ A) = 0.90 is 1.96.

Name: If a sample of size 300 is selected, the value of A for the probability P(-A $\leq$ t df=n-1 $\leq$ A) = 0.90 is 1.96.
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Quizplus · Accepted Answer

For a sample size of 300, the t-distribution approaches the normal distribution, but the exact value of A for a 90% confidence interval is not 1.96; 1.96 is the z-value for a 95% confidence interval in a normal distribution.

If a Sample of Size 300 Is Selected, the Value ≤\leq≤

If a Sample of Size 300 Is Selected, the Value $\leq$