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Learning Goal
Part of: Calculate expected values and use them to solve problems — 1 of 4 cluster items
Define a random variable and graph its distribution
HSS.MD.A.1
**HSS.MD.A.1**: (+) Define a random variable for a quantity of interest by assigning a numerical value to each event in a sample space; graph the corresponding probability distribution using the same graphical displays as for data distributions.
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HSS.MD.A.1: (+) Define a random variable for a quantity of interest by assigning a numerical value to each event in a sample space; graph the corresponding probability distribution using the same graphical displays as for data distributions.
What you'll learn
- Define a random variable by assigning a numerical value to each outcome (or event) in a sample space
- List the possible values of a random variable and find the probability of each
- Construct a probability distribution table for a discrete random variable, verifying that the probabilities sum to 1
- Graph a probability distribution as a probability histogram, using the same graphical displays used for data distributions
- Describe the center, spread, and shape of a probability distribution from its graph, and choose a sensible random variable for a real-world quantity of interest
Slides
Interactive presentations perfect for visual learners • 2 slide decks
Slide Video
Watch narrated slides play like a video lesson • Narrated slide playback