Explain your answers and show your work.
1. If n=16, sample proportion = 0.2. The hypotheses are Ho: p = 0.19 and Ha: p > 0.19. What is the test statistic? Please show your work.
2. We would like to perform a two-tailed hypothesis test about proportion at significance level of 0.05. The test statistic is already calculated for us, and the value is 2.1. We know that there are 20 observations in the sample. What is the P-value? Do we have sufficient evidence to reject the null hypothesis? Why? Please show work.
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