Find the probability.In a certain college, 33% of the physics majors are ethnic minorities. A random sample of 10 physics majors is chosen. Find the probability that 7 or more are ethnic minorities. Round to the nearest ten-thousandth.
A. 0.0028
B. 0.0185
C. 0.0154
D. 0.0032
Answer: B
Mathematics
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Determine whether or not the given equation is linear.8t2 + 8v = 77
A. Yes B. No
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Find the exact value of y, or state that y is undefined.y = cos-1 
A. 
B. - 
C. 
D. 
Mathematics
Find a Cartesian equation for the parametric equations.x = 4 sec t , y = 7 tan t
A. 
- 
= 1
B. 
+ 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Multiply or divide as indicated.
÷ 
A. 
B. -1
C. 
D. 
Mathematics