Provide an appropriate response.A shipment of 20 digital cameras contains two that are defective. A random sample of three is selected and tested. Let X be the random variable associated with the number of defective cameras in a sample. Find the probability distribution of X and the expected number of defective cameras in a sample.
What will be an ideal response?
; 0.3
Mathematics
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Evaluate the integral.
A. -cot (9? + 2) + C
B. 18 csc (9? + 2) cot (9? + 2) + C
C. 9 cot (9? + 2) + C
D. - 
cot (9? + 2) + C
Mathematics
Find the quadratic approximation of f at x = 0.f(x) = tan 4x
A. Q(x) = 1 + 2x2 B. Q(x) = 1 + 4x2 C. Q(x) = 1 - 2x2 D. Q(x) = 4x
Mathematics
Solve.Two ships leave a harbor together traveling on courses that have an angle of 128° between them. If they each travel 520 miles, how far apart are they (to the nearest mile)?
A. 456 mi B. 41 mi C. 1870 mi D. 935 mi
Mathematics
Parametrize the surface S.S is the portion of the sphere x2 + y2 + z2 = 81 between z = - 
and z = 
.
What will be an ideal response?
Mathematics