. The average number of calories in a bar is 250 and has a standard deviation of 15. The number of calories per bar is approximately normally distributed. What percent of candy bars contain between 220 and 260 calories?
. The average number of calories in a bar is 250 and has a standard deviation of 15. The number of calories per bar is approximately normally distributed. What percent of candy bars contain between 220 and 260 calories?
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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Answer number 3 to 5 only
![3. The average number of calories in a bar is 250 and has a standard deviation of
15. The number of calories per bar is approximately normally distributed. What
percent of candy bars contain between 220 and 260 calories?
4. The length of useful life of a fluorescent tube used inside the house is normally
distributed. The useful life has a mean of 1600 hours and a standard deviation
of 80 hours. Determine the probability that the tube chosen at random will last
between 1620 and 1700 hours.
5. Patrick is in the 90th percentile for his height. Common Grade 11 male students
have an average height of 66 inches with a standard deviation of 2 inches. How
tall is he?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc816e832-7391-479e-b3ea-8cdab39b4660%2F884244f5-8bc2-4f01-9e02-44719ffbc065%2Fbhh6i8n_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3. The average number of calories in a bar is 250 and has a standard deviation of
15. The number of calories per bar is approximately normally distributed. What
percent of candy bars contain between 220 and 260 calories?
4. The length of useful life of a fluorescent tube used inside the house is normally
distributed. The useful life has a mean of 1600 hours and a standard deviation
of 80 hours. Determine the probability that the tube chosen at random will last
between 1620 and 1700 hours.
5. Patrick is in the 90th percentile for his height. Common Grade 11 male students
have an average height of 66 inches with a standard deviation of 2 inches. How
tall is he?
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