
Probability and Random Variables Concepts

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Thomas White
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of the transformation technique discussed in the video?
To calculate the variance of a random variable
To determine the probability distribution of a random variable
To identify the mode of a random variable
To find the mean of a random variable
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the discrete case example, what does the random variable X represent?
The probability of getting heads
The total number of coin tosses
The number of heads in four coin tosses
The number of tails in four coin tosses
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the random variable Y defined in relation to X?
Y = X^2
Y = X - 1
Y = 1 / (1 + X)
Y = X + 1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of experiment is the example of four coin tosses classified as?
Poisson experiment
Normal experiment
Binomial experiment
Exponential experiment
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the probability of getting zero heads in four coin tosses?
1/8
1/16
1/4
1/2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are the probabilities for Y derived from those of X?
By calculating the mean of X
By adding a constant to each probability
By using a tree diagram
By applying a transformation and using the same probabilities
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What transformation is applied to find the probability distribution for Z?
Z = (X - 2)^2
Z = X + 2
Z = X^2
Z = 2X
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