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For the following problems, (a) identify null hypothesis, alternative hypothesis, (b) determine whether it is left-tailed,...

For the following problems, (a) identify null hypothesis, alternative hypothesis, (b) determine whether it is left-tailed, right-tailed, or two-tailed, (c) find the p-value, (d) make the decision whether you reject the null hypothesis or fail to reject the null hypothesis, and e) interpret your result.

4). A medical researcher says that less than 80% of U.S. adults think that healthy children

      should require to be vaccinated. In a random sample of 200 U.S. adults, 164 think that

      healthy children should be required to be vaccinated. At α=0.05 significance level

Math   Statistics-And-Probability   
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