A box of oatmeal is advertised as containing 20 ounces. The machine filling these boxes is set so that, on average, it fills the box to 20.5 ounces. The box weights can be approximated by a normal random variable. (a) If the standard deviation is 0.5 ounces, what perce
A box of oatmeal is advertised as containing 20 ounces. The machine filling these boxes is set so that, on average, it fills the box to 20.5 ounces. The box weights can be approximated by a normal random variable. (a) If the standard deviation is 0.5 ounces, what perce
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.CR: Chapter 13 Review
Problem 8CR
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1) A box of oatmeal is advertised as containing 20 ounces. The machine filling these boxes is set so that, on average, it fills the box to 20.5 ounces. The box weights can be approximated by a normal random variable.
(a) If the standard deviation is 0.5 ounces, what percentage of boxes are under- weight?
(b) If the standard deviation is 0.2 ounces, what percentage of boxes are under- weight?
(c) If the standard deviation is 0.2 ounces, what percentage of boxes contain between 20.15 and 20.60 ounces?
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