Answer:
Step-by-step explanation:
Use the formula to find the z-score, then go to the table that will give you the probability that the value is less than this z-score.

The probability that the value lies to the left of 1 on a standard bell curve is 84.1345%, or 84%, the third choice down.
Answer:
a) y = 4.5
Step-by-step explanation:
y intercept is where the line crosses the y axis. so y must be 4.5
I did this before and it’s the one on the left on the bottom
Step-by-step explanation:

Answer:
3/4
Step-by-step explanation:
21/28=3/4