Un examen est composé d’une épreuve pratique et d’une épreuve théorique. Pour réussir l’examen, il faut réussir les deux épreuves (l’épreuve pratique et l’épreuve théorique).
Cette année, 1880 candidats se sont présentés à l’examen et 1504 ont réussi l’épreuve pratique.
De plus, 3 candidats sur 4 ont réussi l’épreuve théorique, et 90% des candidats ont réussi au moins
une des deux épreuves.
Soit E l’ensemble des candidats à l’examen, A l’ensemble des candidats qui ont réussi l’épreuve pratique
et B l’ensemble des candidats qui ont réussi l’épreuve théorique.
1/ Calculer pE(A) et écrire cette proportion sous la forme d’un pourcentage.
2/ Écrire pE(B) sous la forme d’un pourcentage.
3/ Calculer la proportion des candidats ayant réussi l’examen

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Can someone tell me if this is perpendicular? !

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.