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the scores on a standardized test are normally distributed with a mean of 500 and a standard deviation of 100.
sofia scored 632 on the test.
what is the z score associated with sofia's score?
&
what percent of students scored below sofia?

a

explanation:

468

step-by-step explanation:

answer: about 22.67

step-by-step explanation:

d) by the cross product property, ab^2 = bc multiplied by ad

step-by-step explanation:

we are given

in the given triangle abc

angle a is 90° and segment ad is perpendicular to segment bc

we can see that

triangle(abc) and triangle(abd) are similar because they have common side and same angle (90 degree)

so, triangles(abc) and abd are similar

since, they are similar

so, the ratio of their sides must be equal

we get

now, we can cross multiply

and we get

so, this could be step to prove it