In testing a new vaccine for shingles, 43 of 900 people vaccinated later developed the disease. 86 of 1000 people vaccinated with a placebo later developed the disease. Use a 0.05 confidence level to test the claim that the percentage of people who develop shingles is lower when taking the vaccine, compared to taking the placebo. Graphing Calculator Function: [method] Conclusion: [conclusion]
Read DetailsHeights of Chihuahuas in a certain are normally distributed with a mean of 7.5 inches and a standard deviation 1.5 inches. If a group of 12 Chihuahuas is selected, find the probability that their mean height is shorter than 7 inches. Graphing Calculator Function: [method] Conclusion: [conclusion]
Read DetailsBilly Joe’s Ice Cream store is interested how the weather affects their ice cream sales. The following table represents data from randomly selected spring, summer, and fall months over a few years. The number of days in the month with no cloud cover and the numbers of ice cream cones sold for that month were recorded. Determine if there is a linear correlation between the number of days with no cloud cover and the number of ice cream cones sold. Graphing Calculator Function: [method] Is there significant linear correlation? Yes or No? [correlation] Using the data above, find the regression line, and preict the number of cones sold when a month has 13 days with no cloud cover. Regression Line: [equation] Number of cones sold: [sold]
Read DetailsOne way to criticize cultural relativism is to argue that societies actually don’t disagree on morality, ultimately. This can be argued by showing that societies’ disagreements are disagreements in ____________ and not disagreements in ____________.
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