Mathematics, 01.06.2020 22:58 whitakers87
An article in the magazine knitters united states that a random sampling of subscribers found that 75 out of 120 people surveyed knitted exclusively with wool yarn. The article concludes that, with a 95% confidence level, the true proportion of their subscribers who knit exclusively with wool yarn is between 53.8% and 71.1%
Using z= 1.960, evaluate the conclusion of the report
A. The conclusion of the article is not accurate because the 95% confidence interval is (48.4%,76.6%), which incldes values outside of the interval (53.8%, 71.1%)
B The conclusion of the article is not accurate because the 95% confidence interval is (52.2%, 72.8%). which includes values outside of the interval (53.8%,71.1%)
C. The conclusion of the article is accurate because the 95% confidence interval is (53.8%,71.1%)
D. The conclusion of the article is partially accurate because the 95% confidence interval is (55.3%,69.7%), which lies within the interval (53.8%, 71.1%)
Answers: 3
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An article in the magazine knitters united states that a random sampling of subscribers found that 7...
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