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Find the value of the chi-square test statistic for the goodness-of fit test.
The following table is obtained from a random sample of 40 absences:
Day Mon 8 Tue 10 Wed 6 Thur 10 Fri 4
You wish to test the claim that the absences occur on the five days with equal frequency. What is the value of the test statistic?
a. 1.25
b 3.5
c. 10
d. 12.5
Please show some basic work
Explain Bisection and newton's method, Using the bisection method, find the positive root of 2x(1 + x^2)^-1 = arctan x
In a survey of 400 households regarding the ownership of VCRs and DVD players, the following data was obtained.
Consider the planes x1+x2+3x3 = 4 and x1+2x2+4x3 = 5 in R^3. Find parametric equations for the line of intersection of these two planes
Check your solution by determining how much acid is in the two amounts that are combined versus the amount of acid in the final mixture.
Suppose at a given moment, Han Solo is travelling at 60 imperial units per minute and is 8 units away from the intersection and Darth Vader is traveling at 30 imperial units per minute and is 6 units away from the intersection. Calculate how fast ..
a sample of 10 adult men gave the following data on their heights and weights.height inchesx62626365666768687072weight
a circle has an area of 221 cm squared. What is the diameter of the circle rounded to the nearest tenth?
Prove the following statement using contraposition: If n, is a positive integer such that n(mod 3) = 2, then n is not a perfect square and find a solution (if it exists) to the linear diophantine equation 234x + 65y = 325.
A hospital keeps on hand a 5% glucose solution (that is, a solution that is only 5% glucose). If the container holds 500 mL what portion of the content of the container is glucose?
If a ball is thrown directly upward with a velocity of 28 ft/s, its height (in feet) after t seconds is given by y = 28t - 16t2. What is the maximum height attained by the ball? (Round your answer to the nearest whole number.)
The demand function for a certain make of ink-jet cartridge is the following where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand.
The new daily payroll is $1540. How many were originally employed at each rate?
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