Question

A

Assume a member is selected at random from the population represented by the graph. Find the probability that the member selected at random is from the shaded area of the graph. Assume the variable x is normally distributed. SAT Critical Reading Scores 200<x< 475 0 = 116 u= 507 Q 200 475 800 Score The probability that the member selected at random is from the shaded area of the graph is (Round to four decimal places as needed.)

Answer 1

ANSWER Griven M = 507 E116 XI-M 2,5 200 -507 1) 116 2.0465 22= 475-507 TIG -0.2758 PC 200<x£475)= P(-2.6465<2< -0.2758) 1) p (2<-0-2758)-P(Z <-2.6465) 0.0041 = 0.3936 that the member selected at The shaded copa of the graphis 0.3895 probabilely random is from the shaded area 0.3895 Thanking you