Consider the normal distribution given below and assume that P is a point of inflection of the curve.
Find the first quartile Q1 of the distribution rounded to the nearest meter.
A. 58 m
B. 149 m
C. 150 m
D. 104 m
E. 115 m
Answer: A
Mathematics
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Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.3 + 12 + 27 + . . . + 75
A. 
B. 
C. 
D. 
Mathematics
Multiply and simplify. Assume that all variables represent nonnegative numbers.4
(
+ 
)
A. 4
+ 7
B. 4
+ 28
C. 4
+ 7
D. 28
+ 28
Mathematics
Solve.The sides of a triangle are 754 ft, 123 ft, and 771 ft. Find its perimeter.
A. 3296 ft B. 1648 ft C. 1525 ft D. 1754 ft
Mathematics
Simplify the radical. Assume that all variables represent positive numbers.
A. 
B. 
C. 
D. 
Mathematics