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Use the results from a surveyr of a simple random sample of 1186 adults. Among the 1186 respondents, 87% rated 17 themselves as above average
Use the results from a surveyr of a simple random sample of 1186 adults. Among the 1186 respondents, 87% rated 17 themselves as above average drivers. We want to test the claim that E of adults rate themselves as above average drivers. Complete parts (a) through (c). a. Identify the actual number of respondents who rated themselves as above average drivers. D (Round to the nearest whole number as needed.) A television show conducted an experiment to study what happens when buttered toast is dropped on the floor. When 43 buttered slices of toast were dropped, 25 of them landed with the buttered side up and 18 landed with the buttered side down. Use a 0.10 signicance level to test the claim that toast will land with the buttered side down 50% of the time. Use the P-value method. Use the normal distribution as an approximation to the binomial distribution. After that, supposing the intent of the experiment was to assess the claim that toast will land with the buttered side down more than 50% of the time, write a conclusion that addresses the intent of the experiment. Let p denote the population proportion of all buttered toast that will land with the buttered side down when dropped. ldenti'y the null and alternative hypotheses to test the claim that buttered toast will land with the buttered side down 50% of the time. Hoip > 1 H1:p = 1 (Type integers or decimals. Do not round.) Suppose that in a random selection of 100 colored candies, 23% of them are blue. The candy company claims that the percentage of blue candies is equal to 28%. Use a 0.10 signicance level to test that claim. Identify the null and alternative hypotheses for this test. Choose the correct answer below. [:3 A. HO: p0.28 H1 : p = 0.28 C: B. H0: p = 0.28 H1 : p > 0.28 [:3 C. H0: p = 0.28 H1 : p i 0.28 [:3 D. H0: p = 0.28 H1 : p 0.20 H0:p>0.20 H1:p=0.20 H0:p=0.20 H1:p
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