In an experiment, positive and negative values are equally likely to occur. The probability of obtaining at most one negative value in five trials is
(A) $\frac{1}{32}$
(B) $\frac{2}{32}$
(C) $\frac{3}{32}$
(D) $\frac{6}{32}$
In an experiment, positive and negative values are equally likely to occur. The probability of obtaining at most one negative value in five trials is
(A) $\frac{1}{32}$
(B) $\frac{2}{32}$
(C) $\frac{3}{32}$
(D) $\frac{6}{32}$