Jennifer Cantu, VP of Customer Services at Tri-State Auto Insurance, Inc., monitors the claims processing time of the claims division. Her standard includes "a mean processing time of 5 days or less." Each week, her staff checks for compliance by analyzing a random sample of 60 claims. Jennifer's null hypothesis is:
1) ? > 5
2) ? > 5
3) n = 60
4) ? < 5
5) ? = 5
Answer: 4) ? < 5
Mathematics
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Evaluate the iterated integral.
dy dx
A. 
ln 2
B. 6 ln 2
C. 
ln 2
D. 
ln 4
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Graph the polynomial function. Factor first if the expression is not in factored form.f(x) = 3x(x + 2)(x + 1)
A. 
B. 
C. 
D. 
Mathematics
Divide and simplify.
÷ 8
A. 
B. 
C. 
D. None of these
Mathematics