Answer:
66.8421% decrease
Step-by-step explanation:
Answer:
160 Quarters
Step-by-step explanation:
There are 4 quarters in a dollar, and we know that there are 40 dollars. Multiply 40 by 4 to get 160
<u>Hope this helps :-)</u>
When a number is next to a variable multiply so you problem really is 2(?)=60
Answer:
The value remain unchanged.
Step-by-step explanation:
By Z score, we mean:
Z =
, if we substitute the given values of mean and standard deviation, we obtain the z score value. That is,
Z =
= 85/12 = 7.083333.
NB: We assume that mean and standard deviation are in the same units.
The answer is 7.
Look at the x=8 and then look up the y-value.
The graph passes (8,7) so therefore when x = 8 the y is 7