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Course: Statistics and probability > Unit 9

Lesson 8: More on expected value
Math
Statistics and probability
Random variables
More on expected value
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Expected value with empirical probabilities

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Problem

Rohit is an avid runner and has kept track of the distances of each of his last 50 runs. The data he has collected on the distances of his runs are shown in the table below.
Each time Rohit goes running in the future, he is going to randomly select 1 of these 50 runs and repeat it.
Plot points to represent the expected total number of miles ran for each number of randomly selected runs.
Distance (miles)Runs
16
213
331
Total50