Random Variables
Presentation
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Mathematics
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11th Grade
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Practice Problem
•
Medium
Amer Gagarin
Used 17+ times
FREE Resource
20 Slides • 23 Questions
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Illustrate a random variable (discrete or continuous).
Distinguish between a discrete and continuous random variable.
Illustrate a probability distribution for a discrete random variable and its properties.
Compute probabilities corresponding to a given random variable.
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This activity is not graded. However, please answer the questions accurately. Thank you!
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Multiple Choice
If two coins are tossed once, which is NOT a possible value of the random variable for the number of heads?
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Multiple Choice
Which of the following is a discrete random variable?
Length of wire ropes
Number of soldiers in the troop
Amount of paint used in repainting the building
Voltage of car batteries
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Multiple Choice
Which formula gives the probability distribution shown by the table?
P(X) = X
P(X) = 1/X
P(X) = X/3
P(X) = X/5
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Multiple Choice
How many ways are there in tossing two coins once?
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Multiple Choice
It is a numerical quantity assigned to an experiment’s outcome.
Random Variables
Variable
Probability
Probability Distribution
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Fill in the blanks.
Classify the following random variables as discrete or continuous.
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Fill in the Blanks
The weight of the professional wrestlers
Type answer...
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Fill in the Blanks
The number of winners in lotto for each day
Type answer...
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Fill in the Blanks
The area of lots in an exclusive subdivision
Type answer...
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Fill in the Blanks
The speed of a car.
Type answer...
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Fill in the Blanks
The number of dropouts in a school per locality.
Type answer...
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Determine the values of the random variables in each of the following
distributions.
Please type your answer with comma to separate the number/s if necessary.
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Fill in the Blanks
Two coins are tossed. Let T be the number of tails that occur. Determine
the values of the random variable T.
Type answer...
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Fill in the Blanks
A meeting of envoys was attended by 4 Koreans and 2 Filipinos. If three envoys were selected at random one after the other, determine the values of the random variable F representing the number of Filipinos.
Type answer...
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Identify the term being described in each of the following:
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Multiple Choice
Any activity which can be done repeatedly under similar conditions
Event
Probability
Experiment or Trial
Outcome
Sample Space
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Multiple Choice
The set of all possible outcomes in an experiment
Event
Probability
Experiment or Trial
Outcome
Sample Space
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Multiple Choice
A subset of a sample space
Event
Probability
Experiment or Trial
Outcome
Sample Space
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Multiple Choice
The elements in a sample space
Event
Probability
Experiment or Trial
Outcome
Sample Space
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Multiple Choice
The ratio of the number of favorable outcomes to the number of possible outcomes
Event
Probability
Experiment or Trial
Outcome
Sample Space
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Multiple Choice
In how many ways can two coins fall?
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12
36
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Multiple Choice
If three coins are tossed, in how many ways can they fall?
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6
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12
36
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Multiple Choice
In how many ways can a die fall?
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12
36
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Multiple Choice
In how many ways can two dice fall?
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12
36
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Multiple Choice
How many ways are there in tossing one coin and rolling a die?
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36
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Fill in the Blanks
WHAT'S NEW:
Mary Ann, Hazel, and Analyn want to know what numbers can be assigned for
the frequency of heads that will occur in tossing three coins.
Can you helpthem?
Thanks!
Type answer...
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