the bigger the alpha level the ____________the CI
Fill in the blank(s) with the appropriate word(s).
narrower
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Simplify the expression.
A. 3z - 5 B. 3z - 40 C. 3z + 5 D. 24z - 5
Answer the question.Suppose that a test for a disease correctly gives positive results for 95% of those having the disease and correctly gives negative results for 90% of those who don't have the disease. Suppose also that the incidence of the disease is 1%. If a person tests positive for the disease, what is the chance that they have the disease? Find the exact percentage.
A. 8.8% B. 13.4% C. 95% D. 10%
Use a graphing calculator to graph the given function. Be sure to set the graphic window parameters to the given values.y = 1.3
-xwindow dimensions [xmin, xmax, ymin, ymax] = [-10, 10, -1, 4]x-scale (xscl) = 1; y-scale (yscl) = 1
A. 
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Factor out the GCF from the polynomial. If the GCF is 1, write prime.a7 - 19a5
A. a5(a2 - 19) B. a(a6 - 19a4) C. a5(a2 + 19) D. a2(a5 - 19)