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Frequency of Cloud Cover over Minneapolis in January Time of day Midn. 3AM 6AM 9AM Noon 3PM 6PM 0.45 0.48 0.47 0.45 0.41 0.39 0.41 0.38 9PM 1.0 20.9 0.48 0.52 0.49 0.57 0.55 0.53 0.46 0.46 0.55 0.52 0.62 0.60 0.52 0.56 0.54 0.64 0.63 0.59 0.52 0.47 20.8 0.50 0.57 0.49 0.43 20.7 3 20.6 0.54 0.59 0.57 0.66 0.65 0.61 0.54 0.49 0.55 0.59 0.59 0.69 0.67 0.64 0.55 0.51 0.56 0.59 0.62 0.72 0.68 0.66 0.58 0.56 20.5 20.4 0.58 20.2 0.60 0.67 0.66 0.78 0.74 0.71 0.62 0.62 20.1 0.66 0.71| 0.72 0.89 0.86 0.84 0.79 0.66 | 20.3 0.62 0.64 0.74 0.71 0.69 0.60 0.60 (a) What percentage of time is at least half of the sky covered by clouds at 9 P.M.? | % (b) In order to model the frequency of an overcast sky as a function of the time of day, which variable must be held constant? O fraction of sky covered time of day (c) Is the cross section in part (b) represented by a row or a column of the table? row column Fraction of sky covered

Frequency of Cloud Cover over Minneapolis in January Time of day Midn. 3AM 6AM 9AM Noon 3PM 6PM 0.45 0.48 0.47 0.45 0.41 0.39 0.41 0.38 9PM 1.0 20.9 0.48 0.52 0.49 0.57 0.55 0.53 0.46 0.46 0.55 0.52 0.62 0.60 0.52 0.56 0.54 0.64 0.63 0.59 0.52 0.47 20.8 0.50 0.57 0.49 0.43 20.7 3 20.6 0.54 0.59 0.57 0.66 0.65 0.61 0.54 0.49 0.55 0.59 0.59 0.69 0.67 0.64 0.55 0.51 0.56 0.59 0.62 0.72 0.68 0.66 0.58 0.56 20.5 20.4 0.58 20.2 0.60 0.67 0.66 0.78 0.74 0.71 0.62 0.62 20.1 0.66 0.71| 0.72 0.89 0.86 0.84 0.79 0.66 | 20.3 0.62 0.64 0.74 0.71 0.69 0.60 0.60 (a) What percentage of time is at least half of the sky covered by clouds at 9 P.M.? | % (b) In order to model the frequency of an overcast sky as a function of the time of day, which variable must be held constant? O fraction of sky covered time of day (c) Is the cross section in part (b) represented by a row or a column of the table? row column Fraction of sky covered

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
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6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
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The table shows frequency of cloud cover in Minneapolis.t Frequency of Cloud Cover over Minneapolis in January Time of day Midn. 3 A.M 6A.M 9AM Noon 3P.M 6P.M 9P.M 0.45 0.48 0.47 0.45 0.41 0.39 0.41 0.38 0.48 0.52 0.49 0.57 0.55 0.50 0.55 0.52 0.62 0.60 0.57 0.49 0.43 0.52 0.56 0.54 0.64 0.63 0.59 0.52 0.47 0.54 0.59 0.57 0.66 0.65 0.55 0.59 0.59 0.69 0.67 0.64 0.55 0.51 0.56 0.59 0.62 0.72 0.68 0.66 0.58 0.56 0.58 0.62 0.64 0.74 0.71 20.2 0.60 0.67 0.66 0.78 0.74 0.71 0.62 0.62 0.66 0.71 0.72 0.89 0.86 0.84 0.79 0.66 1.0 20.9 0.53 0.46 0.46 20.8 20.7 20.6 0.61 0.54 0.49 20.5 20.4 20.3 0.69 0.60 0.60 20.1 (a) What percentage of time is at least half of the sky covered by clouds at 9 P.M.? % (b) In order to model the frequency of an overcast sky as a function of the time of day, which variable must be held constant? O fraction of sky covered O time of day (c) Is the cross section in part (b) represented by a row or a column of the table? O row O column (d) Find the function of the cubic cross-sectional model that gives the frequency of an overcast sky, where t is the number of hours after midnight, with data from 0 sts 21. (Convert the given frequency values to percentages. Then, use these percentages to find the function of the cubic model. Round all numerical values to three decimal places.) c(t, 1) = % Fraction of sky covered
Transcribed Image Text:The table shows frequency of cloud cover in Minneapolis.t Frequency of Cloud Cover over Minneapolis in January Time of day Midn. 3 A.M 6A.M 9AM Noon 3P.M 6P.M 9P.M 0.45 0.48 0.47 0.45 0.41 0.39 0.41 0.38 0.48 0.52 0.49 0.57 0.55 0.50 0.55 0.52 0.62 0.60 0.57 0.49 0.43 0.52 0.56 0.54 0.64 0.63 0.59 0.52 0.47 0.54 0.59 0.57 0.66 0.65 0.55 0.59 0.59 0.69 0.67 0.64 0.55 0.51 0.56 0.59 0.62 0.72 0.68 0.66 0.58 0.56 0.58 0.62 0.64 0.74 0.71 20.2 0.60 0.67 0.66 0.78 0.74 0.71 0.62 0.62 0.66 0.71 0.72 0.89 0.86 0.84 0.79 0.66 1.0 20.9 0.53 0.46 0.46 20.8 20.7 20.6 0.61 0.54 0.49 20.5 20.4 20.3 0.69 0.60 0.60 20.1 (a) What percentage of time is at least half of the sky covered by clouds at 9 P.M.? % (b) In order to model the frequency of an overcast sky as a function of the time of day, which variable must be held constant? O fraction of sky covered O time of day (c) Is the cross section in part (b) represented by a row or a column of the table? O row O column (d) Find the function of the cubic cross-sectional model that gives the frequency of an overcast sky, where t is the number of hours after midnight, with data from 0 sts 21. (Convert the given frequency values to percentages. Then, use these percentages to find the function of the cubic model. Round all numerical values to three decimal places.) c(t, 1) = % Fraction of sky covered
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