In the current first-year class of a community college, all the students come from three local high schools. Schools I, II, and III supply respectively 40%, 50%, and 10% of the students. The failure rate of students is 4%, 2%, and 6%, respectively. What is the probability that a student chosen at random will fail?
Fill in the blank(s) with the appropriate word(s).
0.032
Mathematics
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Solve the problem.Find a vector of magnitude 3 in the direction opposite to the direction of v = 
i + 
j - 
k.
A. 5
B. 3
C. 5
D. 5
Mathematics
Integrate the function f over the given region.f(x, y) = 
+ 
over the rectangle 0 ? x ? 1, 0 ? y ? 1
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Divide: 6.6 ÷ 2.4
A. 27.5 B. 275 C. 2.75 D. 0.275 E. none of the above
Mathematics
In a right triangle, find the length of the side not given. Let c represent the length of the hypotenuse. Give an answer to the nearest tenth if necessary.a = 30 cm, c = 50 cm
A. b = 20 cm B. b = 10 cm C. b = 80 cm D. b = 40 cm
Mathematics