Estimate the indicated probability by using the normal distribution as an approximation to the binomial distribution.In one county, the conviction rate for DUI is 85%. Estimate the probability that of the next 100 DUI summonses issued, there will be at least 90 convictions.
A. 0.1038
B. 0.0420
C. 0.8962
D. 0.3962
Answer: A
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Solve the equation.
+ 2 = - 
A. 
B. 
C. 
D. 
Find the vertex form for the quadratic function. Then find each of the following:(A) Intercepts(B) Vertex(C) Maximum or minimum(D) Rangef(x) = x2 + 4x + 3
A. Standard form: f(x) = (x - 2)2 - 1 (A) x-intercepts: 1, 3; y-intercept: 3 (B) Vertex (-2, -1) (C) Minimum: -1 (D) y ? -1 B. Standard form: f(x) = (x + 2)2 - 1 (A) x-intercepts: - 3, -1; y-intercept: 3 (B) Vertex (-2, -1) (C) Minimum: -1 (D) y ? -1 C. Standard form: f(x) = (x - 2)2 - 1 (A) x-intercepts: - 3, -1; y-intercept: 3 (B) Vertex (-2, -1) (C) Maximum: -1 (D) y ? -1 D. Standard form: f(x) = (x + 2)2 - 1 (A) x-intercepts: - 3, -1; y-intercept: 3 (B) Vertex (2, -1) (C) Minimum: -1 (D) y ? -1
Factor the polynomial completely.121n6 + 264n3 + 144
A. 121n6 + 264n3 + 264 B. (11n3 - 12)2 C. (11n3 - 12)(11n3 + 12) D. (11n3 + 12)2
Find the sum of the sequence.
A. 400 B. 384 C. 53 D. 272