Find the probability. Round to the nearest ten-thousandth when necessary.A family has five children. The probability of having a girl is 1/2. What is the probability of having at least 4 girls?
A. 0.1875
B. 0.1563
C. 0.3125
D. 0.0313
Answer: A
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Solve the problem.The resistance R produced by wiring resistors of R1 and R2 ohms in parallel can be calculated from the formula 
If R1 and R2 are measured to be 5 ohms and 9 ohms respectively and if these measurements are accurate to within 0.05 ohms, estimate the maximum percentage error in computing R.
A. 1.01% B. 0.84% C. 1.35% D. 1.68%
Plot the zeros of the given polynomial on the number line together with the zeros of the first derivative.y = (x - 4)(x + 5)2
A. 
B. 
C. 
D. 
Use the figure below to answer the following question(s).
Which graph has an Euler circuit?
A. Graph 4 B. Graph 2 C. Graph 3 D. Graph 1 E. none of these
Estimate an answer to the problem.An advertisement states that television sets are on sale at B&G Electronics. The sale prices are: 
set, $147.99; 19-inch set, $208.95; 
set, $231.99; 
set, $289.97; 
set, $519.97. Estimate to the nearest ten how much more a 
alt="" style="vertical-align: -4.0px;" /> set costs than a 
set.
A. $270
B. $300
C. $280
D. $290