Question Help Use a normal approximation to find the probability of the indicated number of voters. In this case, assume that 129 eligible voters aged 18-24 are randomly selected. Suppose a previous study showed that among oligible voters aged 18-24, 22%
of them voted.
Probability that fewer than 30 voted
The probability that fewer than 30 of 129 eligible voters voted is
(Round to four decimal places as needed)

Two researchers are attempting to create a new psychotherapy protocol that more reduces panic attacks. they believe that they have succeeded and are now in the clinical trial period of their protocol's development. they are working with several cohort groups, some of which have been through the new protocol, while others have done the standard protocol currently recommended. if these researchers are interested in evaluating the difference in the percentage of test subjects who successfully decreased their panic attacks in 2 months on the new protocol versus the percentage of test subjects who successfully decreased their panic attacks in 2 months with the traditional protocol, which of the following statistical tests would be most appropriate? a. analysis of variance (anova) b. correlation c. chi-square test d. paired t-test e. independent t-test