Suppose 500 coins are tossed. Using the normal curve approximation to the binomial distribution, find the probability of the indicated results.251 heads or less
A. .552
B. .448
C. .536
D. .548
Answer: A
Mathematics
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Evaluate the expression.
A. 
B. 0
C. 1
D. 5
Mathematics
Solve the problem.The position of an object moving in a straight line is given by s = t2 - 8t, where s is the distance in feet and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 6 feet?
A. 8.5 sec B. 1.2 sec C. 8.7 sec D. 7.0 sec
Mathematics
Find the slope of the line.
?
?
A. m = 11 B. m = 12 C. m = 8 D. m = 15 E. m = -11
Mathematics
Graph the hyperbola.(y - 2)2 - 9(x - 4)2 = 9
A. 
B. 
C. 
D. 
Mathematics