When asked whether marriage is becoming obsolete, 782 out of 2004 randomly selected adults answering a Pew Poll said yes. We are testing the hypothesis that the population proportion that believes marriage is becoming obsolete is more than 38% using a significance level of 0.05. One of the following figures is correct. Indicate which graph matches the alternative hypothesis, p 7 0.38. Report and interpret the correct p-value.
Answer to relevant QuestionsAccording to Time magazine (December 5, 2011), 18% of adult Americans suffer from an anxiety disorder. Suppose a test of 300 random college students showed that 50 suffered from an anxiety disorder. a. How many out of 300 ...For each graph, indicate whether the shaded area could represent a p-value. Explain why or why not. If yes state whether the area could represent the p-value for a one-sided or a two-sided alternative hypothesis. Samuel Morse determined that the percentage of t’s in the English language in the 1800s was 9%. A random sample of 600 letters from a current newspaper contained 48 t’s. Using the 0.10 level of significance, test the ...A proponent of a new proposition on a ballot wants to know the population percentage of people who support the bill. Suppose a poll is taken, and 580 out of 1000 randomly selected people support the proposition. Should the ...In a 1997 study, people were observed for about 10 seconds in public places, such as malls and restaurants, to determine whether they smiled during the randomly chosen 10-second interval. The table shows the results for ...
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