The standard normal curve shown below models the population distribution
of a random variable. What proportion of the values in the population does
not lie between the two z-scores indicated on the diagram?
O
A. 0.2881
O
B. 0.3102
O
C. 0.3064
O
D. 0.2933
O
E. 0.3175

What are you asking ?

1. isolate the variable, in this case, d. subtract 35.5 on both sides of the equation.2. 52 subtracted by 35.5 is 16.53. therefore your answer would be d= 16.5this is the basics of pre algebra, isolating variable through adding, subtracting, multiplying, and dividing, if you have any other questions to ask just comment!