In a recent poll 1049 randomly selected adults were asked whether they approve of labor unions,...
In a recent poll 1049 randomly selected adults were asked whether they approve of labor unions: 64% said yes. In 1936, about 68% of adults approved of labor unions. At the 5% significance level, do the data provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1936? Use the one-proportion 2-test to perform the appropriate hypothesis test, after checking the conditions for the procedure. What are the hypotheses for the one...
In a recent poll 1049 randomly selected adults were asked whether they approve of labor union 64% said yes. In 1935, about 68% of adults approved of labor unions. All the 5% significance level, do the data provide sufficient evidence to conclude that the percentago of adults who approve of labor unions has decreased since 1930? Use the one proportion test to perform the appropriate hypothesis est fer checking the conditions for the procedure test? What are the hypotheses for...
In a recent poll 1087 randomly selected adults were asked whether they approve of labor unions; 61% said yes. In 1936, about 63% of adults approved of labor unions. At the 1% significance level, do the data provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1936? Use the one-proportion z-test to perform the appropriate hypothesis test, after checking the conditions for the procedure. What is the test statistic?
they a were asked whether they approve of labor unons, 62% said yes. In i936, about 66% of adults approved of labor In a recent pll 1093 randomly selected adults to conclude that the percentage of adults who approve of labor unions has decreased unions At the 5% Significance level, do the data provide sufficient evidence since 19367 Use What are the hypotheses for the one-proportion z-test? the one proportion 2-test to perform the appropriate hypothesis test, after checking the...
*12.2.85-P Question Help According to a survey of 850 Web users from Generation Y, 459 reported using the Internet to download music a. Determine the sample proportion b. At the 5% significance level, do the data provide sufficient evidence to conclude that a majority of Generation Y Web users use the Internet to download music? Use the one proportion test to perform the appropriate hypothesis test, after checking the conditions for the procedure a. The sample proportion is (Type an...
*12.2.85-P Question Help According to a survey of 850 Web users from Generation Y, 459 reported using the Internet to download music a. Determine the sample proportion b. At the 5% significance level, do the data provide sufficient evidence to conclude that a majority of Generation Y Web users use the Internet to download music? Use the one proportion test to perform the appropriate hypothesis test, after checking the conditions for the procedure a. The sample proportion is (Type an...
According to a survey of 850 Web users from Generation Y. 459 reported using the Internet to download music. a. Determine the sample proportion b. At the 5% significance level, do the data provide sufficient evidence to conclude that a majority of Gerwration Y Web users use the Internet to download music? Use the one-proportion Z-test to perform the appropriate hypothesis test, after checking the conditions for the procedure. a. The sample proportion is 54. (Type an integer or a...
According to a publication, 14.7 % of 18 to 25-year-olds were users of marijuana in 2000. A recent poll of 1228 randomly selected 18 to 25-year-olds revealed that 215 currently use marjuana. At the 5 % significance level, do the data provide sufficient evidence to conclude that the percentage of 18 to 25-year-olds who currently use marijuana has changed from the 2000 peroentage of 14.7 % ? Use the one-proportion z-test to perform the appropriate hypothesis test, after checking the...
Assume that adults were randomly selected for a poll. They were asked if they "favor or oppose using federal tax dollars to fund medical research using stem cells obtained from human embryos." Of those polled, 482 were in favor, 401 were opposed, and 122 were unsure. A politician claims that people don't really understand the stem cell issue and their responses to such questions are random responses equivalent to a coin toss. Exclude the 122 subjects who said that they...
In a previous poll, 36% of adults with children under the age of 18 reported that their family ate dinner together seven nights a week. Suppose that, in a more recent poll, 378 of 1108 adults with children under the age of 18 reported that their family ate dinner together seven nights a week. Is there sufficient evidence that the proportion of families with children under the age of 18 who eat dinner together seven nights a week has decreased?...