According to a study conducted in one city, 34% of adults in the city have credit card debts of more than $2000. A simple random sample of n = 400 adults is obtained from the city.
Describe the sampling distribution of p^ with caret, the sample proportion of adults who have credit card debts of more than $2000. Round to three decimal places when necessary.

Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect