Solve the problem using the normal curve approximation to the binomial distribution.Two percent of hair dryers produced in a certain plant are defective. Estimate the probability that of 10,000 randomly selected hair dryers, at least 219 are defective.
A. .0869
B. .9066
C. .0934
D. .0823
Answer: C
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Determine whether the sequence converges or diverges, and, if it converges, find 
an.an = 
A. 
B. 
C. 
D. Diverges
Write the expression in standard form.
? 
A. 21 B. -21 C. 21i2 D. -21i
The matrix associated with the solution to a system of linear equations in x, y, and z is given. Write the solution to the system, if it exists.
A. infinitely many solutions of the form x = 2 + 3z, y = 4 - z, z = z B. infinitely many solutions of the form x = 2 - 3z, y = 4 - z, z = z C. infinitely many solutions of the form x = 2 - 3z, y = 4 + z, z = z D. infinitely many solutions of the form x = 2 + 3z, y = 4 + z, z = z
Find another representation, (r, ?), for the point under the given conditions.
, r > 0 and 2? < ? < 4?
A. 
B. 
C. 
D. 