Suppose x ~ N ($1400,$200^2) | Sales if soft drinks for a movie theater

a.) What percentage of sales are above $1450 for the week?Is this correct?: P (x>1450) = p(z > (1450-1400)/200 = p(z > .25) = p(z < -.25) = .4013 = 40.13%b) What is the probability sales will be EXACTLY $1200?

c) How much money must be made for sales to perform in top 5%?