Acid rain Based on long-term investigation, research-ers have suggested that the acidity (pH) of rainfall in the Shenandoah Mountains can be described by the Normalmodel N(4.9, 0.6).a) Draw and carefully label the model.b) What percent of storms produce rainfall with pHover 6?c) What percent of storms produce rainfall with pHunder 4?d) The lower the pH, the more acidic the rain. What isthe pH level for the most acidic 20% of all storms?e) What is the pH level for the least acidic 5% of allstorms?f) What is the IQR for the pH of rainfall?
Acid rain Based on long-term investigation, research-ers have suggested that the acidity (pH) of rainfall in the Shenandoah Mountains can be described by the Normalmodel N(4.9, 0.6).a) Draw and carefully label the model.b) What percent of storms produce rainfall with pHover 6?c) What percent of storms produce rainfall with pHunder 4?d) The lower the pH, the more acidic the rain. What isthe pH level for the most acidic 20% of all storms?e) What is the pH level for the least acidic 5% of allstorms?f) What is the IQR for the pH of rainfall?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
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Acid rain Based on long-term investigation, research-
ers have suggested that the acidity (pH) of rainfall in the
ers have suggested that the acidity (pH) of rainfall in the
Shenandoah Mountains can be described by the Normal
model N(4.9, 0.6).
a) Draw and carefully label the model.
b) What percent of storms produce rainfall with pH
over 6?
c) What percent of storms produce rainfall with pH
under 4?
d) The lower the pH, the more acidic the rain. What is
the pH level for the most acidic 20% of all storms?
e) What is the pH level for the least acidic 5% of all
storms?
f) What is the IQR for the pH of rainfall?
model N(4.9, 0.6).
a) Draw and carefully label the model.
b) What percent of storms produce rainfall with pH
over 6?
c) What percent of storms produce rainfall with pH
under 4?
d) The lower the pH, the more acidic the rain. What is
the pH level for the most acidic 20% of all storms?
e) What is the pH level for the least acidic 5% of all
storms?
f) What is the IQR for the pH of rainfall?
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