Solve the problem.If 3 balls are drawn from a bag containing 3 red and 4 blue balls, what is the expected number of red balls in the sample?
A. 1.29
B. 1.39
C. .89
D. 1.54
Answer: A
Mathematics
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Use a graphing calculator to solve the linear equation.4(2z - 2) = 7(z + 2)
A. {22} B. {10} C. {6} D. {-6}
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Find the area under the normal curve.Find the percent of the area under a normal curve between the mean and 2.41 deviations from the mean.
A. 49.18% B. 49.20% C. 99.20% D. 50.80%
Mathematics
Multiply.
A. - 
x7
B. - 
x12
C. 
x7
D. 
x12
Mathematics
Determine whether the ordered triple is a solution of the system.(-3, -1, 4)
A. Yes B. No
Mathematics