Answer Happy

It is indicated that a vitamin tablet contains an average of 20mg of one kind of vitamin per tablet. As a result of analyzing 10 tablets, the following content figures were obtained. 19.0, 20.5, 18.1, 19.4, 17.5, 19.1, 17.6, 20.0, 19.5, 20.4 We want to verify if the indication on vitamin content is true. Assume that the distribution of vitamin content can be approximated by N(u, 12) and answer the following questions. Choose the alternative hypothesis to set from the following options. 0 H, :μ< 20.0 H:47 20.0 3 H, :μ2 20.0 1つ選択してください: o1 2 Choose the correct one as a result of hypothesis test at significance level 0.01. 1つ選択してください: O a. The difference is not statistically significant at level 0.01. We cannot say that the indication concerning vitamin content is incorrect. O b. The difference is statistically significant at level 0.01. The indication concerning vitamin content is incorrect.