A set of data items is normally distributed with a mean of 60. Determine the z-score for the data point given, if the standard deviation is as given.data item: 69; standard deviation: 9
A. 69
B. 
C. 1
D. 9
Answer: C
Mathematics
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Decide whether the two sequences of operations give the same result.Dividing r by 5, then dividing s by 5, then multiplying the quotients; multiplying r and s, then dividing by 5.
A. Yes B. No
Mathematics
Use graphical methods to find values of x and y satisfying the given conditions. Find the value of the maximum or minimum.Find x ? 0 and y ? 0 such that2x + 4y ? 12 2x + y ? 8 and z = 6x + 8y is minimized.
A. Minimum of 36 when x = 6 and y = 0
B. Minimum of 0 when x = 0 and y = 0
C. Minimum of 
when x = 
and y = 
D. Minimum of 26 when x = 3 and y = 1
Mathematics
Solve.loga 10,000 = 4
A. {10,000} B. {4} C. {10} D. {104}
Mathematics
Graph the line on the coordinate plane using the given information.Passes through (2, -10) and m = 0
A. 
B. 
C. 
D. 
Mathematics