Answer: Matched-pairs t-test
Step-by-step explanation:
2(2)+3y=13
4+3y=13
3y=9
y=3
The answer is B
Each face of the cube has an equal
probability of being rolled. There are 2 numbers on the cube less than 3 (1 and 2). The event of rolling a 1 and the event of rolling a 2 are mutually exclusive (you can't roll both faces at once), so

Answer:
-1/2
Step-by-step explanation:
The cosine is equal to the x coordinate of the point where the terminal side of the angle intersects the unit circle.
Answer:
The function
is continuous for all real numbers
Step-by-step explanation:
To know the possible points of discontinuity of this function, we must find out when the denominator of the function is equal to 0.
The denominator is:

Then we equal 0 and clear x

for any real number.
This means that
<em>for all reals numbers</em>.
Therefore, the function
is <em>continuous</em> for all real numbers, that is, it does not have discontinuities.
The graphic of this function is shown in the image