9.2.8 Supercavitation is a propulsion technology for undersea vehicles that can greatly increase their speed. It occurs above approximately 50 meters per second, when the pressure drops off sufficiently to allow the water to dissociate into water vapor forming a gas bubble behind the vehicle. When the gas bubble completely encloses the vehicle, supercavitation is said to occur. Eight (n = 8) tests were conducted on a scale model of an undersea vehicle in a towing basin with the average observed speed I = 102.2 meters per second. Assume that speed is normally distributed with o = 4 meters per second. Use a = 0.05. (a) Test Ho : µ = 100 versus Hị :µ < 100. (b) Compute the power of this test if the true mean speed is low as 95 meters per second. Round your answer to four decimal places (e.g. 98.7654). (c) What sample size would be required if we want to detect a true mean speed as low as 96 meters per second if we wanted the power of the test to be at least 0.85.

9.2.8 Supercavitation is a propulsion technology for undersea vehicles that can greatly increase their speed. It occurs above approximately 50 meters per second, when the pressure drops off sufficiently to allow the water to dissociate into water vapor forming a gas bubble behind the vehicle. When the gas bubble completely encloses the vehicle, supercavitation is said to occur. Eight (n = 8) tests were conducted on a scale model of an undersea vehicle in a towing basin with the average observed speed I = 102.2 meters per second. Assume that speed is normally distributed with o = 4 meters per second. Use a = 0.05. (a) Test Ho : µ = 100 versus Hị :µ < 100. (b) Compute the power of this test if the true mean speed is low as 95 meters per second. Round your answer to four decimal places (e.g. 98.7654). (c) What sample size would be required if we want to detect a true mean speed as low as 96 meters per second if we wanted the power of the test to be at least 0.85.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

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Question

9.2.8
Supercavitation is a propulsion technology for undersea vehicles that can greatly increase their speed. It occurs above approximately 50 meters per second, when the
pressure drops off sufficiently to allow the water to dissociate into water vapor forming a gas bubble behind the vehicle. When the gas bubble completely encloses the
vehicle, supercavitation is said to occur. Eight (n = 8) tests were conducted on a scale model of an undersea vehicle in a towing basin with the average observed speed
I = 102.2 meters per second. Assume that speed is normally distributed with o = 4 meters per second. Use a = 0.05.
(a) Test Ho : µ = 100 versus Hj : u < 100.
(b) Compute the power of this test if the true mean speed is low as 95 meters per second. Round your answer to four decimal places (e.g. 98.7654).
(c) What sample size would be required if we want to detect a true mean speed as low as 96 meters per second if we wanted the power of the test to be at least 0.85.
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MO22. Supercavitation is a propulsion technology for undersea vehicles that can greatly increase their speed. It occurs above approximately 50 meters per second, when the pressure drops off sufficiently to allow the water to dissociate into water vapor forming a gas bubble behind the vehicle. When the gas bubble completely encloses the vehicle, supercavitation is said to occur. Eight (n = 8) tests were conducted on a scale model of an undersea vehicle in a towing basin with the average observed speed x= 102.2 meters per second. Assume that speed is normally distributed with o = 4 meters per second. Use a = 0.05, test Ho: p = 100 versus H; : p< 100. What is the value of zo (2 decimal places, 0.00) and what can be concluded? Provide all the necessary solutions. 20 = Blank 1 and Blank 2 the Blank 3 hypothesis. Blank 1 Add your answer Blank 2 Add your answer Blank 3 Add your answer
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