Use the choices below to fill in the blank. Choices may be used more than once or not at all.
The probability of an event that is impossible to happen is 
.
A. 
B. 0
C. factorial of n
D. 1
Answer: B
Mathematics
You might also like to view...
For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = (t + 4)i + (ln(sec t) - 6)j + 5k, -?/2 < t < ?/2
A. a = (csc t)T + (sec t)N B. a = (cos t)T + (cos t)N C. a = (sec t tan t)T + (sec t)N D. a = (sec2 t)T + (cos t)N
Mathematics
Find dy.y = sin(3x2)
A. 6x cos(3x2) dx B. 6 cos(3x2) dx C. -6x cos(3x2) dx D. -6 cos(3x2) dx
Mathematics
Add and write the resulting polynomial in descending order.(8.3z4 + 3.2z3 - 4.3z2 + 9.2z - 8) + (2.4z4 + 8.1z3 - 5.2z2 + 0.8z + 3.7)
A. 10.7z4 + 7.5z3 - 13.3z2 + 10z - 4.3 B. 10.7z4 + 11.3z3 - 9.5z2 + 10z - 4.3 C. 10.7z4 + 11.3z3 + 9.5z2 - 10z - 4.3 D. 5.9z4 + 11.3z3 - 9.5z2 + 10z - 4.3
Mathematics
Use the order of operations to simplify the expression.92 - 3 ? 4
A. 144 B. 312 C. 216 D. 69
Mathematics