The chance that a college student has a job offer before graduation is 70%. If I sample 200 graduates… (use continuity correction)

a) what is the chance more than 130 of them have a job offer?

b) what is the chance less than 133 of them have a job offer?

c) what is the chance at least 150 of them have a job offer?

d) what is the chance at most 144 of them have a job offer?