If a normal distribution has a mean of 44 and a standard deviation of 8, what is the z-score for a value of 50?
A. 0.25
B. 0.75
C. 1.75
D. 1.25

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]

Solve the formula ax+ by = c for x.

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 150, 120, 136, 180, 158, 175, 124, 162 minimum maximum median upper quartile lower quartile