Refer to a normal distribution described by the following figure. The mean is ? and the standard deviation is ?.
A data value of 40.5 corresponds to a standardized value of
A. -1.5.
B. -1.
C. 12.
D. 0.
E. none of these
Answer: A
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Solve the problem.Nikki is fishing from a bank 14 feet above water level. In this location, the fish tend to feed at 20 feet below the surface. How long must Nikki's fish line be to reach the fish?
A. -6 feet B. -14 feet C. 34 feet D. 6 feet
Solve the problem.A ball is dropped from a cliff that is 176 feet high. As it is falling, its height is given by the formula 
How many seconds (in tenths) will it take for the ball to hit the ground 
A. 13.3 sec B. 1936 sec C. 12.6 sec D. 3.3 sec
The information below refers to triangle ABC.
?
If 
inches, find B, a, and b.
?
Apply the rules regarding the use of significant digits after all computations are complete.
?
__________°
?
__________ inches
?
__________ inches
What will be an ideal response?
If 
is a child's rate of growth in pounds per year, which of the following expressions represents the increase in the child's weight (in pounds) between the years 3 and 7?
What will be an ideal response?