Determine the sample proportion
A study of religious practices among college students interviewed a sample of 245 students; 157 of whom stated they pray at least once in a while. Determine the sample proportion. Round your answer to two decimal places.
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A simple random sample of 49 8th graders at a large suburban middle school indicated that 82% of them are involved with some type of after school activity. Find the 99% confidence interval that estimates the proportion of them that are involved i
A study asked 1009 adults which causes of death they thought would likely become more common in the future. 70% stated that gun violence would increase. Give a 95% confidence interval for this survey.
Gigi and Ron are candidates for mayor in a city. You want to estimate the proportion of Gigi's voters with 90% confidence and a margin of error that is no greater than 3%. What is the smallest sample size needed to accomplish this?
Construct a 99 Confidence Interval for the mean time per day spent listening to music for those who actually replied. What sample size is necessary to make a 95% CI for those who replied? The margin of error should be 0.1.
The decomposition approach to forecasting may be helpful when attempting to forecast a time-series. Could an analogous approach be used in a multiple regression analysis?
USA Today ran a report about a UNC poll of 1248 adults from the southern U.S. It was reported that 8% of those surveyed believe that Elvis Presley still lives. The article began with the claim that "almost 1 out of 10" Southerners still thinks Elv
What is the approximate probability that the sample proportion will be greater than 0.5? This has the effect of the polling organization incorrectly predicting the result of the upcoming election.
A certain brand of candies have a mean weight of .8592 g and a standard deviation of .052 based on a sample of a package containing 466 candies. the package label stated that the net weight is 397.7 g (if every package has 466 candies, the mean we
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult