The analyst in Exercise 17 finds a 98 confidence interval
The analyst in Exercise 17 finds a 98% confidence interval for the true proportion of vaccinated children to be (0.9707, 0.9773).
a) Explain why she can reject the null hypothesis that p = 0.98 vs. p < 0.98 at α = 0.01.
b) Explain why the difference may or may not be important
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