Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of O and a standard deviation of 1. Draw a graph and find the probability of a bone density test score between - 2.15 and 2.15.
Sketch the region. Choose the correct graph below.
OA
OC.
OD
AA
Q
-2.15
2.15
-2.15
2.15
-2.15
2.15
-2.15
2.15
The probability is
(Round to four decimal places as needed.)

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