From the course: Complete Guide to Excel Statistics with Copilot
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Probability explained
From the course: Complete Guide to Excel Statistics with Copilot
Probability explained
- [Instructor] Nobody has all the answers, but it seems everyone can tell you the probability. There's a 50% chance that in a single roll, you will roll either a four, five, or six with the die. There's a 73% chance LeBron James will make this next free throw. There's a 99% chance my boss will be drinking coffee at this meeting. Three probabilities each is a little different. There's a 50% chance that in a single roll I will roll either a four, five, or six with the die. This is what we call classical probability. We know the die has six sides. We know that if we roll the die each outcome, one through six is equally likely. Four, five and six are half of the possible outcome. So we are confident that the 50% probability is accurate. There is a 73% chance LeBron James will make this free throw. This is what we call empirical probability. Based on LeBron's lifetime NBA statistics, we believe there is a 73% chance he will make this next free throw. Look, there's plenty of past data to…
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Contents
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Probability explained9m 9s
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Percentiles11m 16s
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Permutations6m 56s
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Combinations6m 24s
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Addition rule of probability7m 58s
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Multiplication rule of probability4m 43s
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Conditional probability and probability trees7m 56s
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Copilot: Probability12m 39s
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