Hart Franklin
05/30/2023 · Primary School
A fair dice is rolled 5 times. Let \( x \) represents the number of times the face 3 turns of obtain probability distribution of \( x \).
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The number of times a **3** appears when rolling a fair die 5 times follows a binomial distribution with parameters \( n = 5 \) and \( p = \frac{1}{6} \). The probability distribution is:
- \( P(X = 0) \approx 0.4019 \)
- \( P(X = 1) \approx 0.4019 \)
- \( P(X = 2) \approx 0.1608 \)
- \( P(X = 3) \approx 0.0322 \)
- \( P(X = 4) \approx 0.0032 \)
- \( P(X = 5) \approx 0.0001 \)
This means:
- It's most likely to roll **0** or **1** **3**s.
- The probability decreases as the number of **3**s increases.
- The distribution is symmetric around lower values due to the low probability of rolling a **3**.
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