Reference no: EM13243374
1) The gestation period for human births can be taken as normally distributed with a mean of 266 days and a standard deviation of 16 days.If a gestation period is 276 days, what percentile among human births is this?
2) A study is conducted to investigate body mass index (BMI) in children living in urban neighborhoods. The following data are collected. 29 26 24 32 30 22 27 28 31. Compute the median.
3) Suppose that the probability that a child living in an urban area in the U.S. is obese is 20%. A social worker sees 15 Children living in urban areas. What is the probability that none are obese?
4) The following table shows the numbers of patients classified as underweight, normal weight, over weight and obese according to their diabetes status.
UnderweightNormal WeightOverweightObese Total
Diabetes8346543150
No Diabetes12859340230
Total2011915883380
What proportion of the diabetes is Obese.
5) The following table shows the distribution of BMI in children living in U.S. and European urban neighborhoods.
NeighborhoodNormal weightoverweightobese Total
U.S 1255040215
Europe 1014221164
Total 2269261379
If a child is selected at random
A) What is the probability they are overweight
B) What is the probability that a child living in a U.S urban neighborhood is overweight
6) The total serum cholesterol level in women free of cardiovascular disease is 205 with a standard deviation of 19.2. What proportion of women have total serum cholesterol levels exceeding 200.
7) The data shown below describe children in 4 countries in terms of adequate dental care
Adequate Dental careInadequate Dental careTotal
U.K 2539 1762715
U.S.4563 2094772
FRANCE1298 3071605
MEXICO2874 2563130
TOTAL11274 94812222
What is the probability that a child from France has adequate dental care.
8) Glucose levels in patients free of diabetes are assumed to follow a normal distribution with a Mean of 120 and a Standard deviation of 16. What proportion of patients has Glucose levels exceeding 115.
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: The gestation period for human births can be taken as normally distributed with a mean of 266 days and a standard deviation of 16 days.If a gestation period is 276 days, what percentile among human births is this?
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