The level of nitrogen oxides (NOX) in the exhaust of cars of a particular model varies Normally with standard deviation σ=0.05grams per mile (g/mi). Government regulations call for NOX emissions no higher than 0.3 g/mi. In testing H0 : μ=0.3versus Ha : μ<0.3using significance level 0.05, we find that the power of this test against an alternative of μ=0.28 based on a random sample of size n = 40 is 0.808. Using a larger sample size (n = 50) would Select one:a. increase the power of this particular test. b. decrease the power of this particular test. c. increase the probability of a Type I error. d. decrease the probability of a Type I error.
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