
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Glucose levels in patiebts free of diabetes are assumed to follow a
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- Suppose that heights of 10-year-old boys in the US vary according to a normal distribution with mean of 138 cm and standard deviation of 7. What is the probability that the height of a randomly selected boy is between 131 cm and 145 cm?arrow_forwardResponse time is an important statistic for measuring the effectiveness of a fire department, and is measured as the difference between the time a fire station receives a call and the time the first piece of fire equipment leaves the station. The response times for fire departments in a large city are found to have an approximately Normal distribution, with a mean of 4.5 minutes and a standard deviation of 1.2 minutes. What percentage of fire station response times are under 3 minutes? Find the z-table here. https://r03.core.learn.edgenuity.com/contentviewers/Emissary/OpenEmissaryLink/?a=http%3A%2F%2Fmedia.edgenuity.com%2Fcontentengine%2Fcommon%2F%2Fpassages%2F3112%2F1-3112-common-docs%2F3112-z-table.html&t=111000000000&l=&s=f2b2af05-7f11-ec11-8255-ef70046ba7f2 6.68% 10.56% 89.44% 93.32%arrow_forwardGlucose 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 have glucose levels exceeding 115? If a patient has a glucose level of 140, what percentile is this? What is the probability that the mean glucose level exceeds 115 in a sample of 12 patients? What glucose level would be the 75th percentile? What proportion of patients without diabetes will have a glucose level between 109 and 129?arrow_forward
- Tom's commuting time from his residence in Carmel to the IUPUI campus has a normal distribution. The standard deviation of the commuting time is 8 minutes. The fraction of commutes that last less than 40 minutes is 0.30 (30%). What is the mean commuting time? What is the probability that the commuting time would exceed 60 minutes? Below what commuting time 10% of commutes take place? 90% commuting times fall between _______ and _______ minutes.arrow_forwardThe patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.1 days and a standard deviation of 2.3 days. What is the 80th percentile for recovery times?(round answer to two decimal places )arrow_forwardMileage data of new model cars follow a normal distribution with an average mileage of 26 mpg and a standard deviation of 7. Consider a sample of size 15 cars. What is the probability that the mean mileage of these selected cars is at most 27.5 mpg?arrow_forward
- The heart rate of 20 patients in the ICU have a mean of 95.3 beats per minute and a standard deviation of 19.6 beats per minute. Are heart rates from the ICU patients unusual given a normal heart rate has a mean of 72 beats per minute? What is the t-stastic?arrow_forwardGlucose 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 have glucose levels exceeding 115? Answer: If a patient has a glucose level of 140, what percentile is this? Answer: What is the probability that the mean glucose level exceeds 115 in a sample of 12 patients?arrow_forwardAssuming data re cholesterol indicated a mean total cholesterol level for adult persons 20 years of age and older in the United States was 190 mg/dl; with a known standard deviation of 30 mg/dl. The underlying population is normally distributed. 17. What is the probability that a randomly selected adult, ≥20 years of age will have a cholesterol level <170 mg/dl?arrow_forward
- The patient recovery time from a particular surgical procedure was normally distributed with a mean of 5.6 days and a standard deviation of 2.1 days. What is the probability of spending more than three days in recovery? The 90th percentile for recovery time is?arrow_forwardPorphyrin is a pigment in blood protoplasm and other body fluids that is significant in body energy and storage. In healthy adults, the number of milligrams of porphyrin per deciliter of blood is approximately normal with a mean of 38 and a standard deviation of 12. What is the probability that the number of milligrams is between 16 and 45?arrow_forwardThe patient recovery time from a particular surgical procedure is normally distributed with mean of 5.5 days and a standard deviation of 1.7 days. What is probability of spending morethan4 days in recovery?arrow_forward
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