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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-two wind speed readings gave an average velocity of x = 1075 cm/sec. Based on long-term experience, o can be assurhed to be 250 cm/sec. (a) Find a 95% confidence interval for the population mean wind speed at this site. (Round your answers to the nearest whole number.) lower limit cm/sec upper limit cm/sec (b) Does the confidence interval indicate that the population mean wind speed is such that the sand is always moving at this site? Explain. O No. This interval indicates that the population mean wind speed is such that the sand may not always be moving at this site. O Yes. This interval indicates that the population mean wind speed is such that the sand may not always be moving at this site. O Yes. This interval indicates that the population mean wind speed is such that the sand is always moving at this site. O No. This interval indicates that the population mean wind speed is such that the sand is always moving at this site. us e9 0 5:53 hp DII %23 24 96 & back 3 4 5 フ 8 e r y u C b m X1

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-two wind speed readings gave an average velocity of x = 1075 cm/sec. Based on long-term experience, o can be assurhed to be 250 cm/sec. (a) Find a 95% confidence interval for the population mean wind speed at this site. (Round your answers to the nearest whole number.) lower limit cm/sec upper limit cm/sec (b) Does the confidence interval indicate that the population mean wind speed is such that the sand is always moving at this site? Explain. O No. This interval indicates that the population mean wind speed is such that the sand may not always be moving at this site. O Yes. This interval indicates that the population mean wind speed is such that the sand may not always be moving at this site. O Yes. This interval indicates that the population mean wind speed is such that the sand is always moving at this site. O No. This interval indicates that the population mean wind speed is such that the sand is always moving at this site. us e9 0 5:53 hp DII %23 24 96 & back 3 4 5 フ 8 e r y u C b m X1

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter2: Parallel Lines
Section2.6: Symmetry And Transformations
Problem 26E: Considering that the consecutive dials on the natural gas meter rotate in opposite directions, what...
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.... 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-two wind speed readings gave an average velocity of x = 1075 cm/sec. Based on long-term experience, o can be assurhed to be 250 cm/sec. (a) Find a 95% confidence interval for the population mean wind speed at this site. (Round your answers to the nearest whole number.) lower limit cm/sec upper limit cm/sec (b) Does the confidence interval indicate that the population mean wind speed is such that the sand is always moving at this site? Explain. O No. This interval Indicates that the population mean wind speed is such that the sand may not always be moving at this site. O Yes. This interval indicates that the population mean wind speed is such that the sand may not always be moving at this site. O Yes. This interval indicates that the population mean wind speed is such that the sand is always moving at this site. O No. This interval indicates that the population mean wind speed is such that the sand is always moving at this site. us e9 0 5:53 DII #3 24 backspace 8 t y i e r f S V. b
Transcribed Image Text:.... 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-two wind speed readings gave an average velocity of x = 1075 cm/sec. Based on long-term experience, o can be assurhed to be 250 cm/sec. (a) Find a 95% confidence interval for the population mean wind speed at this site. (Round your answers to the nearest whole number.) lower limit cm/sec upper limit cm/sec (b) Does the confidence interval indicate that the population mean wind speed is such that the sand is always moving at this site? Explain. O No. This interval Indicates that the population mean wind speed is such that the sand may not always be moving at this site. O Yes. This interval indicates that the population mean wind speed is such that the sand may not always be moving at this site. O Yes. This interval indicates that the population mean wind speed is such that the sand is always moving at this site. O No. This interval indicates that the population mean wind speed is such that the sand is always moving at this site. us e9 0 5:53 DII #3 24 backspace 8 t y i e r f S V. b
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