1.

What is the formula for binomial distribution?

A. P [X = x] = <sup>n</sup>C<sub>n</sub> p<sup>x</sup> q<sup>n-x</sup>
B. P [X = x] = <sup>x</sup>C<sub>x</sub> p<sup>x</sup> q<sup>n-x</sup>
C. P [X = x] = <sup>n</sup>C<sub>x</sub> p<sup>x</sup> q<sup>n-x</sup>
D. P [X = x] = <sup>n</sup>C<sub>x</sub> p<sup>n</sup> q<sup>n-x</sup>
Answer» D. P [X = x] = <sup>n</sup>C<sub>x</sub> p<sup>n</sup> q<sup>n-x</sup>


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