Data accumulated by Environment Canada show that the average wind speed in kilometres per hour for Victoria

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Data accumulated by Environment Canada show that the average wind speed in kilometres per hour for Victoria International Airport, located on the Saanich Peninsula in British Columbia, is 9.3. Suppose wind speed measurements are normally distributed for a given geographic location. If 22.45% of the time the wind speed measurements are more than 18.7 km/h, what is the standard deviation of wind speed at Victoria International Airport?

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Business Statistics For Contemporary Decision Making

ISBN: 9781119577621

3rd Canadian Edition

Authors: Ken Black, Ignacio Castillo

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