Rita has a number cube and a letter cube. The number cube is numbered 1 through 6. The letter cube is lettered A through F. Rita will roll each cube once. What is the probability that she rolls an odd number with the number cube and a vowel with the letter cube? I A 2/3
B 1/6
C 1/3
D 1/4​

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

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]