The State Department is trying to identify an individual who speaks Farsi to fill a foreign embassy position. They have determined that 7% of the applicant pool are fluent in Farsi. How many interviews should the State Department expect to conduct before finding the first Farsi speaker?

What is the probability that they will find the first Farsi speaking applicant on the 20th interview?

What is the probability that they will find the first Farsi speaking individual within the first 20 applicants?

What is the probability that they will need to interview more than 38 applicants before finding one who speaks Farsi?

Ascientist studied a population of workers to determine whether verbal praise and/or tangible rewards affect employee productivity. in the study, some workers were offered verbal praise, some were offered tangible rewards (gift cards, presents, and some were offered neither. the productivity of each participant was measured throughout the study by recording the number of daily tasks completed by each employee. which inference might the scientists make based on the given information? a.) the number of daily tasks completed by each employee may influence the dependent variable, which is whether the employee receives verbal praise, tangible rewards, or neither. b.) verbal praise and/or tangible rewards may influence the independent variable, which is the number of daily tasks completed by each employee. c.) verbal praise and/or tangible rewards may influence the dependent variable, which is the number of daily tasks completed by each employee. d.) the dependent variables, which are verbal praise and tangible rewards, may influence the number of daily tasks completed by each employee.