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According to the Harris Poll, U.S. adults watched an average of 5 movies per year in a theater in 2014. As ticket prices rise, and
According to the Harris Poll, U.S. adults watched an average of 5 movies per year in a theater in 2014. As ticket prices rise, and as digital content providers such as Netflix, Amazon Prime, and Hulu are becoming more popular with the Millennial generation, a researcher claims that, among all Millennials, the average number of movies watched in a movie theater in 2018is less than the stated average of 5 movies per year.
That is, they will test these hypotheses at a10% level:
- The sample mean number of movies watched by Millennials at a theater in 2018is __________ standard errorsawayfrom the hypothesized population mean number of movies watched by Millennials at a theater in 2018.
- What distribution was used to find the p-value for the t-test?
- Interpretation in context of the p-value you calculated (p-value =0.03105).Be sure to interpret this within the context of the problem.
- Now, assume that the null hypothesis is true, i.e. the population average number of movies watched by Millennials in 2018 has not changed from5.Under this assumption, if this survey were repeated 10 times, how many times would youexpectto incorrectly decide to reject H0at a 10% significance level?
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