Question

Problem 7) This problem has two independent parts aj andb a) (5 points) Given the amulative distribution hretion (onfor a ranom vante x as twwr 0 45x Find P(X> 3) b) (5 points) The boxplot below shows salaries for Construction Workers and Teachers Construction Teacher 45 40 35 30 25 20 Salary (thousands of s If a person is making the median salary for a Construction Worker, they are making more than what percentage of Teachers? (Circle only one) vi) 35% v)40% iv) 30% iii) 75% ii) 50% i)25%

Answer 1

a)P(X>3)=1-P(X<3)=1-F(3)=1-(0.25*3²-3+1)=0.75

b)

s median income for construntion is equivalent to 3rd quartile of teachers ;

option iii) 75% is correct