Finite Math Examples

n = 20

$n = 20$ ,

p = 0.9

$p = 0.9$

Step 1

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

μ = n \cdot p

$μ = n \cdot p$

Step 2

Fill in the known values.

μ = 20 \cdot 0.9

$μ = 20 \cdot 0.9$

Step 3

Multiply

20

$20$ by

0.9

$0.9$ .

μ = 18

$μ = 18$

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[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$