Chi-square random variable
X is a Chi-Square random variable with 10 degrees of freedom. What is the value of A such that P(X < A) = .025? Answer to two decimal places and use Table III from the back of the text.
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The influence of running on preventing heart attacks has been studied by a local runners club. The following twoway table classifies 350 people as runners or non runners, and whether or not they have had a heart attack. Determine whether ther
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Transverse waves are traveling on a 1 meter long piano string at 500 m/s. If the points of zero vibration occur at one-half wavelength (where the string is fastened at both ends), find the frequency of vibration.
How many liters of gaseous hydrogen bromide at 27 degrees Celsius and 0.965 atm will a chemist need if she wishes to prepare 3.5L of 1.2 M hydrobromic acid?
In an adiabatic bomb calorimeter, oxidation of 0.4362g of naphthalene(C10H8) caused a temperature rise of 1.707 degree celsius. The final temperature was 298.15K.
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What is the value of A such that P(-A < T < A) = .90 for a T random variable with 16 degrees of freedom? Answer to three decimal places. Use Table II from the back of the text.
For a T random variable with 5 degrees of freedom, find A such that P(T > A) = .975. Answer to three decimal places and use Table II from the back of the text.
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