Classify each random variable as discrete or continuous.
1. Score of a student in a quiz
2. How long students ate breakfast
3. Time to finish running 100 m
4. Amount of paint utilized In a building project
5. The number of deaths per year attributed to lung cancer
6. The speed of a car
7. The number of dropout in a school district for a period of 10 years
8. The number of voters favouring a candidate
9. The time needed to finish the test
10.Number of eggs a hen lays
11.Average temperature in Baguio City for the past 5 days
12.Weight of 8 randomly selected Math nooks
13.Amount of sugar in a cup of coffee
14.Amount of rainfall (in mm) in different cities in NCR
15.Number of gifts received by 20 students during Christmas season
Random Variable
1. The depth of the sea at a randomly chosen
point
2. The number of text messages received by
a Toyota service maintenance crew in an hour
3. The number of attempts a dart player can
hit the target
4. The price of mobile phones in the market
5. The number of students to graduate from
senior high school
6. The percentage of children who received
the COVID-19 vaccine
7. The time taken for an athlete to run 1500
meters
8. The number of heads when a coin is tossed
10 times in succession
Write Discrete or
Continuous
TAKE NOTE:
IF THE GIVEN IS NEGATIVE, YOU HAVE TO ADD THE AREA + 0.05(CONSTANT)
IF THE GIVEN IS POSITIVE, YOU HAVE TO SUBTRACT 0.05 TO THE AREA
NOTE:
IF THE TWO GIVEN Z VALUES HAS THE SAME SIGN,
YOU NEED TO SUBTRACT IT.
NOTE: IF THE TWO GIVEN Z VALUES HAVE
DIFFERENT SIGN, YOU ADD.
6
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