Give the probability distribution and sketch the histogram.At a safety program for hunters, each member of a class of 25 took 5 shots at a target. The number of bullseyes is shown in the table.
A. 
| Probability: | .05 | .02 | .08 | .32 | .25 | .20 |
B.
| Probability: | .20 | .25 | .32 | .08 | .02 | .05 |
C.
| Probability: | .20 | .24 | .32 | .08 | .12 | .04 |
D.
| Probability: | .04 | .12 | .08 | .32 | .24 | .20 |
Answer: D
Mathematics
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Let x represent the unknown, and write an equation for the sentence. Do not solve. When 4 times a number is subtracted from 7 times the number, the result is 27.
A. 7x - 4x = 27 B. 4x(7 - x) = 27 C. 4x + 9x = 27 D. 4(x - 7) = 27x
Mathematics
Solve the system.x2 + 3xy + y2 = 4x2 - 3xy - y2 = 4
A. {(2, 0), (-2, 0)} B. {(2, -6), (-2, 6)} C. {(0, 2), (0, -2), (2, -6), (-2, 6)} D. {(2, 0), (-2, 0), (2, -6), (-2, 6)}
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Simplify.
A. x3y7z4
B. 
C. 
D. 
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Simplify the algebraic expression.-4(x + y)
A. -4x + y B. -4x + 4y C. -4x - 4y D. -4xy
Mathematics