Question

construct a probabilty distribution table for a binomial experiment of rolling a fair die 5 times...

construct a probabilty distribution table for a binomial experiment of rolling a fair die 5 times and observing the number of times a 3 is rolled.

Homework Answers

Answer #1

Sample size, n = 5

Probability of 3 in roll of a die = 1/6 = 0.1667

Binomial distribution formula:

P(x) = n!/(x!*(n-x)!) * pˣ * (1-p)ⁿ⁻ˣ

Probability distribution table:

X Formula P(X)
0 5!/(0!* 5!) * 0.1667^0 * 0.8333^5 0.4018
1 5!/(1!* 4!) * 0.1667^1 * 0.8333^4 0.4019
2 5!/(2!* 3!) * 0.1667^2 * 0.8333^3 0.1608
3 5!/(3!* 2!) * 0.1667^3 * 0.8333^2 0.0322
4 5!/(4!* 1!) * 0.1667^4 * 0.8333^1 0.0032
5 5!/(5!* 0!) * 0.1667^5 * 0.8333^0 0.0001
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