Finite Math Examples

$n = 20$ , $p = 0.9$

Step 1

The mean of a binomial distribution is the number of trials multiplied by the probability.

$μ = n \cdot p$

Step 2

Fill in the known values.

$μ = 20 \cdot 0.9$

Step 3

Multiply $20$ by $0.9$ .

$μ = 18$

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