Find the weighted mean of the numbers in the table. Round to the nearest tenth.A telephone company kept track of the calls for the correct time during a 
period for two weeks. The results are shown in the table.
A. 59.6 calls
B. 62.0 calls
C. 61.6 calls
D. 61.8 calls
Answer: D
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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: 104; standard deviation: 11
A. 4
B. 
C. 11
D. 44
Solve the system. If there is no solution or if the system's equations are dependent, so state.
A. infinitely many solutions; dependent equations B. {(5, 1, -5)} C. no solution or ? D. {(5, -5, 1)}
Provide an appropriate response.Explain how the graph of y =
x+ 2 can be obtained from the graph of y = 4x.
What will be an ideal response?
Find an equation of the least-squares line for the data. Please round the coefficients to the nearest hundredth. x1123445y235666.58.5?
A. 
B. ?
C. ?
D. ?
E. ?