Question: Given the information in Exercise 13 20 use the 0 05 level
Given the information in Exercise 13.20, use the 0.05 level in testing whether the number of defectives in each batch of n = 25 could be binomially distributed with π = 0.1.
Relevant QuestionsApproximately 13.2% of U.S. drivers are younger than age 25, with 37.7% in the 25–44 age group, and49.1% in the 45-and-over category. For a random sample of 200 fatal accidents in her state, a safety expert finds that 42 ...For a contingency table with r rows and k columns, determine the df for the test if a. r = 3, k = 4 b. r = 2, k = 3 c. r = 4, k = 5 d. r = 5, k = 3 e. r = 3, k = 7 f. r = 3, k = 3 A pharmaceutical firm, studying the selection of “name brand” versus “generic equivalent” on prescription forms, has been given a sample of 150 recent prescriptions submitted to a local pharmacy. Of the 44 under-40 ...For three independent samples, each with n = 100, the respective sample proportions are 0.30, 0.35, and 0.25. Use the 0.05 level in testing whether the three population proportions could be the same. A random sample of 20 observations has been drawn from a normal population, and the sample variance is found to be s2 = 4.53. Determine the 95% confidence interval for σ2.
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