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.Seven or more belong to an ethnic minority.
A. .0154
B. .0185
C. .0028
D. .0032
Answer: B
Mathematics
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Find the quotient.-340.71 ÷ 0
A. -340.71
B. - 
C. 0
D. undefined
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Find dy/dt.y = t8(t4 + 1)4
A. t8(t4 + 1)3(24t3 + 8) B. t7(t4 + 1)3(24t4 + 8) C. 8t7(t4 + 1)3(16t4 + 1) D. 128t30(t4 + 1)3
Mathematics
Solve.In how many ways can you make a team of 9 players out of 20 players?
A. 125,970 B. 167,960 C. 700 D. 13,997
Mathematics
Solve the problem.Find the total area of the ends of the garage.
A. 504 ft2 B. 198 ft2 C. 396 ft2 D. 336 ft2
Mathematics