Question
In 2020, eighty percent of U.S. households had an internet connection (p = 0.8 ). A sample of 200 ( n ) households taken in
In 2020, eighty percent of U.S. households had an internet connection (p = 0.8). A sample of 200 (n) households taken in 2021 showed that 76% of them had an internet connection ( p = 0.76). We are interested in determining if there has been a significant decrease in the proportion of U.S. households that have internet connections.
1. State your null and alternative hypotheses:
2. What is the value of the test statistic? Please show all the relevant calculations.
3. What is the p-value?
4. What is the rejection criterion based on the p-value approach? Also, state your Statistical decision (i.e., reject /or do not reject the null hypothesis) based on the p-value obtained. Use = 0.1
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