Suppose a hypothesis states that the mean is exactly 50. If a random sample of 35 items is taken to test this hypothesis, what is the value of β if the population standard deviation is 7 and the alternative mean is 53? Use α = .01.
Answer to relevant QuestionsAn alternative hypothesis is that p < .65. To test this hypothesis, a random sample of size 360 is taken. What is the probability of committing a Type II error if α = .05 and the alternative proportion is as follows?a. pa = ...For each of the following problems, use the eight-step approach to test the hypotheses.a. H0:p = 36 Ha: p > 36n = 783 x̄ = 230α = .10.b. H0:p = 36 Ha: p ≠ 36n = 401p̂ = .56α = .05.A computer manufacturer estimates that its line of mini computers has, on average, 8.4 days of downtime per year. To test this claim, a researcher contacts seven companies that own one of these computers and is allowed to ...A study of pollutants showed that certain industrial emissions should not exceed 2.5 parts per million. You believe a particular company may be exceeding this average. To test this supposition, you randomly take a sample of ...a. Test the following hypotheses of the difference in population means by using the following data (α = .10) and the eight-step process.H0: µ1 - µ2 = 0 Ha: µ1 - µ2 < 0Sample 1 ..... Sample 2n1 = 31 ... n2 = 32x̄1 ...
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