The weight of items produced by a machine is normally distributed with a mean of 8 ounces and a standard deviation of 2 ounces. Refer to Exhibit 6-5. What is the probability that a randomly selected item weighs exactly 8 ounces?
a. None of the alternative answers is correct.
b. 0.5
c. 0.3413
d. 1.0
Answer: a. None of the alternative answers is correct.
Mathematics
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Write a formula for the nth term of the given geometric sequence. Do not use a recursion formula.
, 
, 
, 
, ....
A. an = 
+ 7(n - 1)
B. an = 
(7)n - 1
C. an = 
n - 1+ 
D. an = 
+ 
(n - 1)
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Graph the function.f(x) = 120(0.02)0.5x
A. 
B. 
C. 
D. 
Mathematics
Simplify the complex rational expression.
A. 
B. 
C. 
D. 4x3
Mathematics
Solve the problem.Find three consecutive integers such that the square of the sum of the smaller two is 24 more than the square of the largest.
A. 3, 4, 5, or -3, -2, -1 B. 1, 3, 5 C. 3, 4, 5 D. -3, -2, -1
Mathematics