Answer: Mean-70. Standard Deviation-5.228
Step-by-step explanation:
Answer:C
Step-by-step explanation:
we know that
in the right triangle of the figure
Applying the Pythagorean Theorem

therefore
the answer is the option
C) 
Answer
x Is less than 4
Step-by-step explanation:
It will be an open circle and the arrow is going the left direction on the number 4