MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question
The image shows a table representing a probability distribution with two columns: - **x**: The possible outcomes of a random variable. - **P(x)**: The probability of each outcome. The table is as follows: | **x** | **P(x)** | |-------|----------| | 0 | 0.2 | | 1 | 0.25 | | 2 | 0.2 | | 3 | 0.35 | Below the table, the text reads: "Find the mean of this probability distribution. Round your answer to one decimal place." There is a blank space provided for the answer. To calculate the mean (expected value) of a probability distribution, use the formula: \[ \text{Mean} = \sum (x \times P(x)) \] Calculate: \[ (0 \times 0.2) + (1 \times 0.25) + (2 \times 0.2) + (3 \times 0.35) \] Round the final result to one decimal place.
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Transcribed Image Text:The image shows a table representing a probability distribution with two columns: - **x**: The possible outcomes of a random variable. - **P(x)**: The probability of each outcome. The table is as follows: | **x** | **P(x)** | |-------|----------| | 0 | 0.2 | | 1 | 0.25 | | 2 | 0.2 | | 3 | 0.35 | Below the table, the text reads: "Find the mean of this probability distribution. Round your answer to one decimal place." There is a blank space provided for the answer. To calculate the mean (expected value) of a probability distribution, use the formula: \[ \text{Mean} = \sum (x \times P(x)) \] Calculate: \[ (0 \times 0.2) + (1 \times 0.25) + (2 \times 0.2) + (3 \times 0.35) \] Round the final result to one decimal place.
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