MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Assume that scores on a bone mineral density test are
b. For a randomly selected subject, find the
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- IQ is normally distributed with a mean of 100 and a standard deviation of 15. When selecting samples of size n = 16, find the probability a randomly selected sample has a mean greater than 105.arrow_forwardThe physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). The mean maximum oxygen uptake for elite athletes has been found to be 66 with a standard deviation of 7.3. Assume that the distribution is approximately normal. Find the probability that an elite athlete has a maximum oxygen uptake of at least 77.7 ml/kg. Find the probability that an elite athlete has a maximum oxygen uptake of at most 46.3 ml/kg. =arrow_forwardAssume that adults have IQ scores that are normally distributed with a mean of μ=100and a standard deviation σ=20. Find the probability that a randomly selected adult has an IQ less than 128.arrow_forward
- IQ is normally distributed with a mean of 100 and a standard deviation of 15. When selecting samples of size n = 16, find the probability a randomly selected sample has a mean less than 92.arrow_forwardA normal distribution has a mean of u=54 and a standard deviation of o=6, what is the probability of randomly selecting a score more than 51?arrow_forwardThe score on a standardized test for a certain year is modeled using the normal distribution shown below. The mean of the distribution is 71.5 points and the standard deviation is 5.1 points. In the figure, V is a number along the axis and is under the highest part of the curve. And, U and W are numbers along the axis that are each the same distance away from V. Use the empirical rule to choose the best value for the percentage of the area under the curve that is shaded, and find the values of U, V, and W. Percentage of total area shaded: (Choose one) ▼ 60 65 U 70 V 75 W 80 85 90 55 Test score U= 0 v-D w =] I Don't Know Submit O 2021 McGraw-Hill Education. Al Rights Reserved.. Terms of Use I Privacy I Accessibility 5. tv esc ! # $ % & 2 3 4 5 6 7 8 9 Q W E R tab Y caps lock А S D F G H K X C V B N M Narrow_forward
- A normal distribution has a mean of u= 28 and o= 4. If one score is randomly selected from the distribution, what is probability that the score will be less than X=23?arrow_forwardAssume that adults have IQ scores that are normally distributed with a mean of 99.9 and a standard deviation of 24.5. find the probability that a randomly selected adult has an IQ greater than 134.1. (round to four decimal places as needed)arrow_forwardA normal distribution has a mean of μ =72 and a standard deviation of σ =8. What is the probability of randomly selecting a score less than 67?arrow_forward
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