What steps would you do to solve n/7 + 3 ≥ -4? A. Multiply by seven, then subtract three.
B. Subtract three, then divide by seven.
C. Subtract three, then multiply by seven.
D. Add three, then multiply by seven.

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?

Nikita wants to apply for student aid to fund her college education. arrange the steps involved in nikita’s application for financial aid

Abag contains 5 red marbles , 6 blue marbles and 4 green marbles. susie selects a marble and returns it to the bag before selecting another marble. if susie selects a red marble 6 out of 20 times, what is the experimental probability that the next marble she selects will be a red marble ?