MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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The average systolic blood pressure of a population of young men is population
calculate the z-score for a systolic pressure of 120
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- The average systolic blood pressure of a population of youngmen is mean of population= 112.5 mm, a standard deviation= 16.4 mm. Prehypertension is defined as having systolic pressure between 120 and 139. Calculatethe z-score for a systolic pressure of 139.arrow_forwardA normal distribution has a mean of 140 and a standard deviation of 7. Find the z-score for a data value of 141.arrow_forwardIQs are normally distributed with a mean of 100 and a standard deviation of 15. Determine the percentage of IQ scores between 85 and 100, to the nearest whole number.arrow_forward
- A bottler of drinking water fills plastic bottles with a mean volume of 994 millimeters (mL) with a standard deviation of 5 mL. The fill volumes are normally distributed. What proportion of bottles have volumes less than 995 mL? Use Table A.2 (Normal Distribution Table) and keep four decimal places with your answer.arrow_forwardHigh density lipoprotein (HDL) in healthy males follows a normal distribution with a mean of 50 and a standard deviation of 8. What proportion of healthy males has HDL exceeding 60?arrow_forwardAverage weight of newborn babies is bell-shaped with mean of 3325 grams and standard deviation of 571 grams. What percent of newborn babies weight between 2183 grams and 4467 grams?arrow_forward
- Blood pressure is distributed Normally, with a mean of 85 mm and a standard deviation of 20 mm. What fraction of the population has a blood pressure above 80 mm?arrow_forwardExam scores have a normal distribution with u= 70 and o= 10. Bob's exam score is 80. What is Bob's z-score?arrow_forwardThe concentration of blood hemoglobin in middle-aged adult females is normally distributed with a mean of 13.5 g/dL and a standard deviation of 0.86 g/dL. Determine the hemoglobin levels corresponding to the: 90th percentile Middle 85% of middle-aged adult female hemoglobin levelsarrow_forward
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