Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find the probability of a bone density test score greater than

0.

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Part 1

Sketch the region. Choose the correct graph below.

A.

0

A symmetric bell-shaped curve is plotted over a horizontal axis. A labeled coordinate 0 is the right endpoint of the horizontal axis. All of the area under the curve is shaded.

B.

0

A symmetric bell-shaped curve is plotted over a horizontal axis. A vertical line segment runs from the horizontal axis to the curve at labeled coordinate 0, which is under the curve's center and peak. The area under the curve to the left of 0 is shaded.

C.

0

A symmetric bell-shaped curve is plotted over a horizontal axis. A vertical line segment runs from the horizontal axis to the curve at labeled coordinate 0, which is under the curve's center and peak. The area under the curve to the right of 0 is shaded.

D.

0

A symmetric bell-shaped curve is plotted over a horizontal axis. A labeled coordinate 0 is the left endpoint of the horizontal axis. All of the area under the curve is shaded.

Part 2

The probability is

enter your response here.

(Round to four decimal places as needed.)