4) Suppose a bone density measurement is normally distributed with mean a) Find
ID: 3058434 • Letter: 4
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4) Suppose a bone density measurement is normally distributed with mean a) Find the probability that bone density z is between 0.82 and 2.11. Draw a sketch. 0 and std. dev 1 b) Find the probability that the bone density z is between -1.3 and 1.3. Draw a sketch. Probability Probability = c) Find the z reading that is the cut off for the top d) Find the z reading that is the cut off for the 5%. Draw a sketch. lowest 4% . Draw a sketch. Cut off reading for the top 5% is Cut off reading for lowest 4% = e) Find the P99, the 99th percentile ofz measurement. Sketch the percentage as area. f) Find Ps, the 8th percentile of z measurement. Sketch the percentage as area. P99 = z = Ps= z=Explanation / Answer
4) Suppose a bone density measurement is normally distributed with mean a) Find the probability that bone density z is between 0.82 and 2.11. Draw a sketch. 0 and std. dev 1 b) Find the probability that the bone density z is between -1.3 and 1.3. Draw a sketch. Probability Probability = c) Find the z reading that is the cut off for the top d) Find the z reading that is the cut off for the 5%. Draw a sketch. lowest 4% . Draw a sketch. Cut off reading for the top 5% is Cut off reading for lowest 4% = e) Find the P99, the 99th percentile ofz measurement. Sketch the percentage as area. f) Find Ps, the 8th percentile of z measurement. Sketch the percentage as area. P99 = z = Ps= z=
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