Bone density test scores are normally distributed

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Reference no: EM132308269

Assume that a randomly selected subject is given a bone density test. Bone density test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find Upper P 14?, the 14 th percentile. This is the bone density score separating the bottom 14 % from the top 86 %. Which graph represents Upper P 14?? Choose the correct graph below. A. x Upper P 14 A symmetric bell-shaped curve is plotted over a horizontal x-scale. A vertical line segment runs from the scale to the curve at labeled coordinate P subscript 14, which is to the left of the curve’s center and peak; the segment’s height is approximately 55 percent of the height of the curve at its peak. The area under the curve to the right of the vertical line is shaded. B. x Upper P 14 A symmetric bell-shaped curve is plotted over a horizontal x-scale. A vertical line segment runs from the scale to the curve at labeled coordinate P subscript 14, which is to the right of the curve’s center and peak; the segment’s height is approximately 55 percent of the height of the curve at its peak. The area under the curve to the right of the vertical line is shaded. C. x Upper P 14 A symmetric bell-shaped curve is plotted over a horizontal x-scale. A vertical line segment runs from the scale to the curve at labeled coordinate P subscript 14, which is to the right of the curve’s center and peak; the segment’s height is approximately 55 percent of the height of the curve at its peak. The area under the curve to the left of the vertical line is shaded. D. x Upper P 14 A symmetric bell-shaped curve is plotted over a horizontal x-scale. A vertical line segment runs from the scale to the curve at labeled coordinate P subscript 14, which is to the left of the curve’s center and peak; the segment’s height is approximately 55 percent of the height of the curve at its peak. The area under the curve to the left of the vertical line is shaded. The bone density score corresponding to Upper P 14 is nothing. ?(Round to two decimal places as? needed.)

Reference no: EM132308269

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