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(d) What is the probability that the heart rate is between 25 and 60 beats per minute? (Round your answer to four decimal places.) (e) A horse whose resting heart rate is in the upper 9% of the probability distribution of heart rates may have a secondary infection or illness that needs to be treated. What is the heart rate corresponding to the upper 9% cutoff point of the probability distribution? (Round your answer to the nearest whole number.) beats per minute

(d) What is the probability that the heart rate is between 25 and 60 beats per minute? (Round your answer to four decimal places.) (e) A horse whose resting heart rate is in the upper 9% of the probability distribution of heart rates may have a secondary infection or illness that needs to be treated. What is the heart rate corresponding to the upper 9% cutoff point of the probability distribution? (Round your answer to the nearest whole number.) beats per minute

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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(D) and (E)

The resting heart rate for an adult horse should average about u = 48 beats per minute with a (95% of data) range from 22 to 74 beats per minute. Let x be a random variable that represents the resting heart rate for an adult horse. Assume that x has a distribution that is approximately normal. A USE SALT (a) The empirical rule indicates that for a symmetrical and bell-shaped distribution, approximately 95% of the data lies within two standard deviations of the mean. Therefore, a 95% range of data values extending from u - 20 to u + 20 is often used for "commonly occurring" data values. Note that the interval from u - 20 to u + 20 is 40 in length. This leads to a "rule of thumb" for estimating the standard deviation from a 95% range of data values. Estimating the standard deviation For a symmetric, bell-shaped distribution, standard deviation ange high value - low value where it is estimated that about 95% of the commonly occurring data values fall into this range. Use this "rule of thumb" to estimate the standard deviation of x distribution. (Round your answer to one decimal place.) 13 v beats (b) What is the probability that the heart rate is less than 25 beats per minute? (Round your answer to four decimal places.) 0.0381 x 0.0384 (c) What is the probability that the heart rate is greater than 60 beats per minute? (Round your answer to four decimal places.) 0.8223 x 0.1780 (d) What is the probability that the heart rate is between 25 and 60 beats per minute? (Round your answer to four decimal places.) (e) A horse whose resting heart rate is in the upper 9% of the probability distribution of heart rates may have a secondary infection answer to the nearest whole number.) illness that needs to be treated. What is the heart rate corresponding to the upper 9% cutoff point of the probability distribution? (Round your beats per minute
Transcribed Image Text:The resting heart rate for an adult horse should average about u = 48 beats per minute with a (95% of data) range from 22 to 74 beats per minute. Let x be a random variable that represents the resting heart rate for an adult horse. Assume that x has a distribution that is approximately normal. A USE SALT (a) The empirical rule indicates that for a symmetrical and bell-shaped distribution, approximately 95% of the data lies within two standard deviations of the mean. Therefore, a 95% range of data values extending from u - 20 to u + 20 is often used for "commonly occurring" data values. Note that the interval from u - 20 to u + 20 is 40 in length. This leads to a "rule of thumb" for estimating the standard deviation from a 95% range of data values. Estimating the standard deviation For a symmetric, bell-shaped distribution, standard deviation ange high value - low value where it is estimated that about 95% of the commonly occurring data values fall into this range. Use this "rule of thumb" to estimate the standard deviation of x distribution. (Round your answer to one decimal place.) 13 v beats (b) What is the probability that the heart rate is less than 25 beats per minute? (Round your answer to four decimal places.) 0.0381 x 0.0384 (c) What is the probability that the heart rate is greater than 60 beats per minute? (Round your answer to four decimal places.) 0.8223 x 0.1780 (d) What is the probability that the heart rate is between 25 and 60 beats per minute? (Round your answer to four decimal places.) (e) A horse whose resting heart rate is in the upper 9% of the probability distribution of heart rates may have a secondary infection answer to the nearest whole number.) illness that needs to be treated. What is the heart rate corresponding to the upper 9% cutoff point of the probability distribution? (Round your beats per minute
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