Solve the equation.
x - 
x = 2
A. {30}
B. {-30}
C. {-60}
D. {60}
Answer: A
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Start with 
and then find x2.
What will be an ideal response?
Find the area under the normal curve for the condition.Find the percent of the area under the curve between the mean and -0.83 standard deviations from the mean.
A. 79.7% B. 29.7% C. 29.4% D. 70.3%
Answer the following statement(s) true (T) or false (F)
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