For another subject (a 29-year-old male) in the study by Diskin et al. (A-11), acetone levels were normally distributed with a mean of 870 and a standard deviation of 211 ppb. Find the probability that on a given day the subject's acetone level is:

On a given day what acetone level would a 29-year-old male have to be, to be in the

Top 20% of his acetone levels?

Bottom 20% of his acetone levels?

4.7.1 For another subject (a 29-year-old male) in the study by Diskin et al. (A-11), acetone levels were normally distributed with a mean of 870 and a standard deviation of 211 ppb. Find the probability that on a given day the subject's acetone level is:

1. Between 600 and 1000 ppb
2. Over 900 ppb
3. Under 500 ppb
4. Between 900 and 1100 ppb

Add the following question (f, g)

What weight gain would a randomly selected mother in North Carolina in 2001 have to have to be in the

Top 10% of the North Carolina Birth Registry data?

Bottom 10% of the North Carolina Birth Registry data?