Mathematics, 26.10.2019 03:43 isaloopsy
At wind speeds above 1000 centimeters per second (cm/sec), significant sand-moving events begin to occur. wind speeds below 1000 cm/sec deposit sand and wind speeds above 1000 cm/sec move sand to new locations. the cyclic nature of wind and moving sand determines the shape and location of large dunes. at a test site, the prevailing direction of the wind did not change noticeably. however, the velocity did change. sixty wind speed readings gave an average velocity of x = 1075 cm/sec. based on long-term experience, Ο can be assumed to be 270 cm/sec. find a 95% confidence interval for the population mean wind speed at this site.
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At wind speeds above 1000 centimeters per second (cm/sec), significant sand-moving events begin to o...
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