A company considers a new marketing strategy that will add $$2$M to the company's marketing expenses. An analyst at the company estimates that the potential increase in the company's revenues due to the new marketing strategy is modeled by the following random variable X:

x P$($X $=$ x$)$

$$4$M $0\mathrm{.}25$

$$3$M $0\mathrm{.}30$

$$2$M $0\mathrm{.}20$

$$1$M $0\mathrm{.}15$

$$0$M $0\mathrm{.}10$

Compute the standard deviation of X$.($Round to the nearest $$10,000.)$

Grupo de escolhas da pergunta

$$1,280,000$

$$1,200,000$

$$1,180,000$

$$1,100,000$

$$960,000$