Answer:
B
Step-by-step explanation:
It's the only one with an addition sign...... seems logical, let me know if you got it correct
Answer: x=13
Step-by-step explanation:
Answer:
B.
Step-by-step explanation: The value of a ratio is the quotient of the two quantities in the ratio.
Answer:
P = 1.214
Step-by-step explanation:
Draw a normal probability curve.
Find the z score which comes out to be 0.18 (0.181578947)
look for the probability in the table.
look across 0.1 and under 8.
Get the probability and add 0.5 to it
so rhats:
0.714 + 0.5 = 1.214