MY NOTES ASK YOUR TEACHER Spray drift is a constant concern for pesticide applicators and agricultural producers. The inverse relationship between droplet size and drift potential is well known. The paper "Effects of 2,4-D Formulation and Quinclorac on Spray Droplet Size and Deposition"t investigated the effects of herbicide formulation on spray atomization. A figure in a paper suggested the normal distribution with mean 1050 μm and standard deviation 150 μm was a reasonable model for droplet size for water (the "control treatment") sprayed through a 760 ml/min nozzle. USE SALT less than 1485 µm (a) What is the probability that the size of a single droplet is less than 1485 µm? At least 925 um? (Round your answers to four decimal places.) at least 925 μm (b) What is the probability that the size of a single droplet is between 925 and 1485 um? (Round your answer to four decimal places.) You may need to use the appropriate table in the Appendix of Tables to answer this question. Need Help? Read It (c) How would you characterize the smallest 2% of all droplets? (Round your answer to two decimal places.) The smallest 2% of droplets are those smaller than um in size. (d) If the sizes of five independently selected droplets are measured, what is the probability that at least one exceeds 1485 μm? (Round your answer to four decimal places.) Watch It PRACTICE ANOTHER S +
MY NOTES ASK YOUR TEACHER Spray drift is a constant concern for pesticide applicators and agricultural producers. The inverse relationship between droplet size and drift potential is well known. The paper "Effects of 2,4-D Formulation and Quinclorac on Spray Droplet Size and Deposition"t investigated the effects of herbicide formulation on spray atomization. A figure in a paper suggested the normal distribution with mean 1050 μm and standard deviation 150 μm was a reasonable model for droplet size for water (the "control treatment") sprayed through a 760 ml/min nozzle. USE SALT less than 1485 µm (a) What is the probability that the size of a single droplet is less than 1485 µm? At least 925 um? (Round your answers to four decimal places.) at least 925 μm (b) What is the probability that the size of a single droplet is between 925 and 1485 um? (Round your answer to four decimal places.) You may need to use the appropriate table in the Appendix of Tables to answer this question. Need Help? Read It (c) How would you characterize the smallest 2% of all droplets? (Round your answer to two decimal places.) The smallest 2% of droplets are those smaller than um in size. (d) If the sizes of five independently selected droplets are measured, what is the probability that at least one exceeds 1485 μm? (Round your answer to four decimal places.) Watch It PRACTICE ANOTHER S +
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:MY NOTES
ASK YOUR TEACHER
Spray drift is a constant concern for pesticide applicators and agricultural producers. The inverse relationship between droplet size and drift potential is well known. The paper "Effects of 2,4-D Formulation
and Quinclorac on Spray Droplet Size and Deposition"t investigated the effects of herbicide formulation on spray atomization. A figure in a paper suggested the normal distribution with mean 1050 μm
and standard deviation 150 μm was a reasonable model for droplet size for water (the "control treatment") sprayed through a 760 ml/min nozzle.
USE SALT
less than 1485 µm
(a) What is the probability that the size of a single droplet is less than 1485 µm? At least 925 um? (Round your answers to four decimal places.)
at least 925 μm
(b) What is the probability that the size of a single droplet is between 925 and 1485 um? (Round your answer to four decimal places.)
You may need to use the appropriate table in the Appendix of Tables to answer this question.
Need Help?
Read It
(c) How would you characterize the smallest 2% of all droplets? (Round your answer to two decimal places.)
The smallest 2% of droplets are those smaller than
um in size.
(d) If the sizes of five independently selected droplets are measured, what is the probability that at least one exceeds 1485 μm? (Round your answer to four decimal places.)
Watch It
PRACTICE ANOTHER
S
+
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