alleryStart learning →The area to the left of a value on a normal curve is 0.0228. What is the area to its right?
A0.0228
B0.4772
C1.0228
D0.9772
Answer & Solution
Correct answer: D. 0.9772
1. The whole area under a normal curve is 1.
2. A vertical line at the value splits that area into a left part and a right part.
3. So the right part is 1 minus the left part.
4. That gives 1 minus 0.0228, which is 0.9772.
_Source: OpenStax High School Statistics (CC BY 4.0), section 6.2 Using the Normal Distribution_
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