Answer and explanation:
Discrete random variables can be counted as integers and you can't divide them. Continuous random variables are counted as real numbers and are magnitudes that can´t be counted as an exact number (there will always be an uncertainty in the measurement).
a. The random variable is continuous. Distance is a measurement.
b. The random variable is discrete. You can count how many people are sitting at a computer.
c. The random variable is continuous. Weight is a measurement.
d. The random variable is discrete. You can count how many fishes were caught.
e. The random variable is discrete. You can count how many hints a web site had.
ANSWER: y=6
straight lines are 180° and all the angles in a triangle add up to 180°
Percentage can be calculated by dividing the value by the total value, and then multiplying the result by 100.
(value/total value)×100%.
So,
9/45=0.2 x 100= 20%
Answer= 20%
I think it’s 1/2 but i’m not for sure