Answer:
(1) B
(2) A
(3) C
Step-by-step explanation:
A random variable is a variable that denotes a set of all the possible outcomes of a random experiment. It is denotes by a single capital letter such as X or Y.
There are two types of random variables.
- Discrete random variable: These type of random variable takes finite number of values, such as 0, 1, 2, 3, 4, ... For example, number of girl child in a neighborhood.
- Continuous random variable: These type of random variables takes infinite number of possible values. For example, the height, weight.
(1)
Exact weight of quarters now in circulation in the United States.
The variable weight is a continuous variable.
Thus, the exact weight of quarters now in circulation in the United States is a continuous random variable.
(2)
Shoe sizes of humans.
The shoe size of a person are discrete and finite values.
Thus, the shoe sizes of humans are discrete random variables.
(3)
Political party affiliations of adults in the United States.
This variable is not a quantitative variable.
It is a qualitative variable.
Thus, the political party affiliations of adults in the United States is no random variable.
A.) the discount is $9
B.) the new price is $21
Work:
30% is turned to .30
so, $30 x .30 is $9.
that’s how much is taken off.
Answer: B
Step-by-step explanation: To solve you have to first multiply the number in front of the first pair of () by both numbers inside,then add that together. Then move on the the other pair of (). Multiply those together. Take the two numbers that you now have and add those to get the final answer.
<u><em>Hi there! </em></u>
<u><em>Answer:</em></u>
<u><em>X>1</em></u>
<u><em>*The answer must have a positive sign and greater than symbol.*</em></u>
Step-by-step explanation:
First, you subtract by 3 from both sides of an equation.
Then, you subtract by the numbers from left to right.
You can also divide by 2 from both sides of an equation.
Finally, you divide by the numbers from left to right.
<em><u>Final answer is x>1</u></em>
I hope this helps you!
Have a nice day! :)
:D
-Charlie
Thank you so much! :)
:D
Answer:
I Believe that your answer is D. Sorry if i'm wrong.
Step-by-step explanation:
