Answer the question based on the following situation:An honest coin is tossed 1600 times. The random variable X denotes the total number of heads that come up in the 1600 tosses.What are the chances that X is between 760 and 840?
A. approximately 34%
B. approximately 68%
C. approximately 95%
D. approximately 81.5%
E. none of these
Answer: C
Mathematics
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Solve the equation 
for ?y. Round your answers to two decimal places, if necessary.
?
A. 
or 
B. 
or 
C. 
or 
D. None of the above.
Mathematics
Indicate the property that justifies the statement.(n + 2) ? 0 = 0
A. Distributive property B. Multiplicative inverse property C. Multiplication property of zero D. Additive identity property
Mathematics
Find the LCD for the set of fractions.
, 
A. 336 B. 84 C. 40 D. 4
Mathematics
Simplify the fraction. If the fraction is already simplified, so state.
A. 
B. simplified
C. 
D. 
Mathematics