In a certain college, 33% of the physics majors belong to ethnic minorities. Find the probability of the event from a random sample of 10 students who are physics majors.Two or less belong to an ethnic minority.
A. 0.3070
B. 0.1080
C. 0.2888
D. 0.1990
Answer: A
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Solve the inequality and give the solution set in set builder notation.
? 0
A. {x| 1 < x ? 5} B. {x| 1 ? x ? 5} C. {x| x < 1 or x ? 5} D. {x| x ? 5}
Find  figure.png)
(x, y, z) for the function h(x, y, z) =  figures 4.png)
cos(y + 3z).
 multiple choice.png)
Fill in the blank with one of the words or phrases listed below. 
In the equation y = 4x -2, the coefficient of x is the 
of the corresponding graph.
A. linear function B. function C. slope D. slope-intercept
Solve.At Allied Electronics, production has begun on the X-15 Computer Chip. The total cost function is given by 
and the total profit function is given by 
where x represents the number of boxes of computer chips produced. The total revenue function, R(x), is such that 
Find R(x).
A. R(x) = 43x - 0.3x2 B. R(x) = 41x + 0.3x2 C. R(x) = 40x - 0.6x2 D. R(x) = 41x - 0.3x2