Iwill give brainlest a coin is flipped 150 times. the results of the experiment are shown in the following table: heads tails 84 66 which of the following statements best describes the experimental probability of getting heads? it is equal to the theoretical probability. it is 6% lower than the theoretical probability. it is 6% higher than the theoretical probability. the experimental probability cannot be concluded from the data in the table.

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