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.Exactly 4 do not belong to an ethnic minority.
A. .0467
B. .2564
C. .2253
D. .0547
Answer: D
Mathematics
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Factor. Check by multiplying.48x6y8 + 48x4y6 - 72x2y3
A. 24x2(2x4y8 + 2x2y6 - 3y3) B. 24(2x6y8 + 2x4y6 - 3x2y3) C. 24x2y3(2x4y5 + 2x2y3 - 3) D. No common factor
Mathematics
Write the number as a product of prime numbers.198
A. 22 ? 32 ? 11 B. 2 ? 3 ? 11 C. 22 ? 32 D. 2 ? 32 ? 11
Mathematics
Divide and simplify.
÷ 
A. 
B. x2 - y
C. x - y
D. 1
Mathematics
Simplify.
A. 
B. 
C. - 
D. 
Mathematics