Express the set in the simplest interval form.(-?, 8] ? (-?, -8)
A. (-?, 8)
B. (-8, 8]
C. (-?, -8]
D. (-?, 8]
Answer: D
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Determine if the stated number could represent a probability.-0.4
A. No B. Yes
Solve the problem.How much will it cost to carpet a 25 ft by 18 ft room if carpeting costs $16.50 per square yard?
A. $7425.00 B. $825.00 C. $618.75 D. $2475.00
The table below is the probability table for a random variable X. Find E(X), Var(X), and the standard deviation of X.
A. E(X) = -0.2; Var(X) = 2.16; standard deviation of X =1.47 B. E(X) = -0.2; Var(X) = 4; standard deviation of X =2 C. E(X) = -0.2; Var(X) = 2.22; standard deviation of X =1.49 D. E(X) = -0.2; Var(X) = 0; standard deviation of X = 0 E. none of these
Find the standard form of the equation of the ellipse with the given characteristics and center at the origin. ? Focies: (±7,0); major axis of length 16 ?
A. 
B. 
C. 
D. 
E. 