48. Suppose the temperature of healthy humans is approximatelynormal with a mean of 98.6 degrees and a standard deviation of 0.8degrees.a. If a healthy person is selected at random, what is the probability thatthe person has a temperature above 99.0 degrees?b. What is the 95th percentile for the body temperature of healthyhumans?c. A person with a temperature 2 standard deviation more than theaverage temperature is considered to be an emergency case. Whatmust the temperature of a person be before he or she is brought to anemergency room?d. If a healthy person has a temperature of 2.5 °F standard deviationsbelow the average temperature, he or she is suffering fromhypothermia. What is the temperature reading of a 2 person withhypothermia?

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Answered: 48. Suppose the temperature of healthy…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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10. Bags of grain in a warehouse have a mean weight of 60 pounds with a standard deviation of 4 pounds. a. In random samples of 36 bags, what is the probability the total weight of the bags is less than 2100 lb? b. In random samples of 36 bags, what is the 80th percentile for the total weight of the 36 bags?
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3. The alkalinity level of water specimens collected from a certain river is approximately distributed as normal with a mean of 50 miligrams per liter and a standard deviation of 2.5 miligrams per liter. i. Find the probability that a water specimen collected from the river has an alkalinity level below 54 miligrams per liter. ii. If a sample of 20 specimens are collected from the river, what is the probability that the mean alkalinity level is between 49.5 and 51.5 miligrams per liter? Answer
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4. The delivery time for all food orders at a fast food restaurant have a mean of 6.7 minutes and a standard deviation of 2.1 minutes. a. Assume a normal distribution and compute the probability that an order is delivered in less than 6 minutes. prob = b. Find the probability that the mean of 40 orders is less than 6 minutes. prob = c. Find the probability that serving 40 orders takes less than a total of 4.5 hours. prob = %3D
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Suppose that the number of points scored in a game comes from a normal population with an average of 12 points and a standard deviation of 9 points. Estimate the chance that the average points scored in ten randomly selected games will exceed 14.2 points. A. 0.4034 B. 0.0073 C. 0.2198 D. 0.2297
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