Question

What percent of date does the region shaded in white represent in a normal distribution?

25%
75%
50%
100%

PLEASE HELP!!!!

Answer 1

50%

Explanation:

You want to know the fraction of the area under the curve that is shaded white.

Fraction

The white area is equal to the blue area, so represents 1/2 of the total area:

white = 1/(1+1) = 1/2 · 100% = 50%

50% of the total area is shaded white.

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