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Packages of mixed nuts made by a certain company contain four types of nuts. The percentages of nuts of Types A, B, C and D are supposed to be 40%, 30%, 20% and 10% respectively. A random sample of 200 nuts is selected, and each nut is categorized by type. The following frequency table shows the data: TYPE A C Counts 100 50 40 10 Use a 0.05 significance level to test a hypothesis to determine whether the claim of the company is true. Ho : ( Symbolic form ) Ha : The critical value: The value of the test statistic: State the decision and conclusion