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Homework9: Problem 7 Previous Problem List Next Select True or False from each p

ID: 3333766 • Letter: H

Question

Homework9: Problem 7 Previous Problem List Next Select True or False from each pull-down menu, depending on whether the corresponding statement is true or false. 1. If a sample of size 20 is selected, the value of A for the probability P(t > A) 0.01 is 2.5281. ? 2. If a sample of size 250 is selected, the value of A for the probability P(-AstA) 0.90 is 1.6449 3. If a sample has 18 observations and a 90% confidence estimate for is needed, the appropriate t-score is 1.7396. 4. The lower limit of the 90% confidence interval for the population proportion p, given that n = 400 and , p = 0.10 is 0.1247 Note: In order to get credit for this problem all answers must be correct. w

Explanation / Answer

Solution:-

1 => Flase. df = n-1 = 20-1 =19 , Answer is 2.5394

2 => True

3 => True ,

4 => Flase