The percentage of titanium in an alloy used in aerospace castings is measured in 51 randomly selected parts. The sample standard deviation is s = 0.375. (a) Test the hypothesis Ho :o = 0.25 versus H1...


The percentage of titanium in an alloy used in aerospace castings is measured in 51 randomly selected parts. The sample standard<br>deviation is s = 0.375.<br>(a) Test the hypothesis Ho :o = 0.25 versus H1 : 0 + 0.25. Use a = 0.05.<br>Но-<br>(b) Find the best upper-bound for the P-value for this test.<br>P-value <<br>

Extracted text: The percentage of titanium in an alloy used in aerospace castings is measured in 51 randomly selected parts. The sample standard deviation is s = 0.375. (a) Test the hypothesis Ho :o = 0.25 versus H1 : 0 + 0.25. Use a = 0.05. Но- (b) Find the best upper-bound for the P-value for this test. P-value

Jun 02, 2022
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