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Answer the question.In the 1980s, the population of Pleasanton decreased by 10%. In the 1990s, its population increased by 20%. How does the population of Pleasanton at the end of the 1990s compare with its population in 1980?

In order to answer the given question, which of the following types of study would be the most appropriate: an experiment without blinding, an experiment with single blinding, an experiment with double blinding, an observational study, or a case-control study?Do Super-Slimmer Shakes increase weight loss?

Decide whether the argument is inductive or deductive.His last four at bats were strikeouts. Therefore, the next one will be a strikeout.

Solve the problem.The following Venn diagram describes the types of cookies in a bakery. Use it to determine how many chocolate chip cookies do not also have walnuts.

A sample statistic and margin of error are given. Find the confidence interval likely to contain the population parameter of interest and answer the question.In a survey conducted in a certain city it was found that 5.0% of men and 5.7% of women were unemployed. The margin of error for each report was 0.6 percentage points. Use each sample statistic to find a confidence interval. Can we conclude that the unemployment rate is higher amongst women than amongst men?

Determine ratio of A to B. If necessary, round your answer to two decimal places.A = 21.4% is the divorce rate in City AB = 30.2% is the divorce rate in City B

Use the guidelines to evaluate the study. From the information given, what is the biggest flaw in the study?A fitness company conducted a study to test the effectiveness of its new weight-loss supplement. 400 adults looking to lose weight were selected at random and randomly assigned to either a group receiving the supplement or a placebo group. The experiment was double blind. The results were analyzed by researchers employed by the fitness company.

Use braces to write the members of the set, or state that the set has no members.The whole numbers greater than 2 and less than 6

The statement connects two individual propositions with the word or. State whether the entire statement is true or false, and explain why.6 + 3 = 9 or 2 × 9 = 18

Solve the problem.For the study described below, identify the sample.A researcher is interested in the level of stress among emergency-room nurses in the U.S. 275 emergency-room nurses were interviewed to determine their level of stress. Each nurse was assigned a stress rating based on his or her answers to a number of questions. The average stress rating for the 275 nurses was determined.